204578980

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{6287}}^1$

素因数の和:7923

約数の個数: 24

約数和(自身を含む): 429948288

約数和(自身を除く): 225369308

約数列:

[1, 2, 4, 5, 10, 20, 1627, 3254, 6287, 6508, 8135, 12574, 16270, 25148, 31435, 32540, 62870, 125740, 10228949, 20457898, 40915796, 51144745, 102289490, 204578980]

約数ペア:

[(1, 204578980), (2, 102289490), (4, 51144745), (5, 40915796), (10, 20457898), (20, 10228949), (1627, 125740), (3254, 62870), (6287, 32540), (6508, 31435), (8135, 25148), (12574, 16270)]