31020025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{20341}}^1$

素因数の和:20412

約数の個数: 12

約数和(自身を含む): 39097324

約数和(自身を除く): 8077299

約数列:

[1, 5, 25, 61, 305, 1525, 20341, 101705, 508525, 1240801, 6204005, 31020025]

約数ペア:

[(1, 31020025), (5, 6204005), (25, 1240801), (61, 508525), (305, 101705), (1525, 20341)]