Project Euler Problem #21

August 16, 2010
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(This article was first published on The Research Kitchen Weblog » R, and kindly contributed to R-bloggers)

This is a solution for problem 21 on the Project Euler website. It consists of finding the sum of all the amicable numbers under 10000. This was pretty easy to solve, but the solution could probably be improved quite a bit. Solution #1 in R is as follows (it calculates the proper divisors of each […]

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