31886860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14627}}^1$

素因数の和:14745

約数の個数: 24

約数和(自身を含む): 67581360

約数和(自身を除く): 35694500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14627, 29254, 58508, 73135, 146270, 292540, 1594343, 3188686, 6377372, 7971715, 15943430, 31886860]

約数ペア:

[(1, 31886860), (2, 15943430), (4, 7971715), (5, 6377372), (10, 3188686), (20, 1594343), (109, 292540), (218, 146270), (436, 73135), (545, 58508), (1090, 29254), (2180, 14627)]