129403825

素因数分解:

$5^2\times {\mathrm{1609}}^1\times {\mathrm{3217}}^1$

素因数の和:4836

約数の個数: 12

約数和(自身を含む): 160610380

約数和(自身を除く): 31206555

約数列:

[1, 5, 25, 1609, 3217, 8045, 16085, 40225, 80425, 5176153, 25880765, 129403825]

約数ペア:

[(1, 129403825), (5, 25880765), (25, 5176153), (1609, 80425), (3217, 40225), (8045, 16085)]