418186660

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{20641}}^1$

素因数の和:21663

約数の個数: 24

約数和(自身を含む): 879101496

約数和(自身を除く): 460914836

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 10130, 20260, 20641, 41282, 82564, 103205, 206410, 412820, 20909333, 41818666, 83637332, 104546665, 209093330, 418186660]

約数ペア:

[(1, 418186660), (2, 209093330), (4, 104546665), (5, 83637332), (10, 41818666), (20, 20909333), (1013, 412820), (2026, 206410), (4052, 103205), (5065, 82564), (10130, 41282), (20260, 20641)]