413804525

素因数分解:

$5^2\times {\mathrm{821}}^1\times {\mathrm{20161}}^1$

素因数の和:20992

約数の個数: 12

約数和(自身を含む): 513768084

約数和(自身を除く): 99963559

約数列:

[1, 5, 25, 821, 4105, 20161, 20525, 100805, 504025, 16552181, 82760905, 413804525]

約数ペア:

[(1, 413804525), (5, 82760905), (25, 16552181), (821, 504025), (4105, 100805), (20161, 20525)]