81302525

素因数分解:

$5^2\times {\mathrm{769}}^1\times {\mathrm{4229}}^1$

素因数の和:5008

約数の個数: 12

約数和(自身を含む): 100970100

約数和(自身を除く): 19667575

約数列:

[1, 5, 25, 769, 3845, 4229, 19225, 21145, 105725, 3252101, 16260505, 81302525]

約数ペア:

[(1, 81302525), (5, 16260505), (25, 3252101), (769, 105725), (3845, 21145), (4229, 19225)]