31496180

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2131}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 66262560

約数和(自身を除く): 34766380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2131, 2956, 3695, 4262, 7390, 8524, 10655, 14780, 21310, 42620, 1574809, 3149618, 6299236, 7874045, 15748090, 31496180]

約数ペア:

[(1, 31496180), (2, 15748090), (4, 7874045), (5, 6299236), (10, 3149618), (20, 1574809), (739, 42620), (1478, 21310), (2131, 14780), (2956, 10655), (3695, 8524), (4262, 7390)]