Problem 44748. Amicable numbers

• Created by vandeleeuw
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Magic Numbers IV

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Number theory

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Test whether two numbers are amicable, meaning that the sum of the proper divisors of each number is equal to the other number.

Example: 220 and 284 are amicable numbers because the proper divisors of 220 are 1,2,4,5,10,11,20,22,44,55,110 and their sum is 284, while the proper divisors of 284 are 1,2,4,71,142 and their sum is 220.

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Solution Stats

55.28% Correct | 44.72% Incorrect

• 161 Solutions
• 70 Solvers

Last Solution submitted on May 05, 2025

Last 200 Solutions

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