40096040

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2381}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 90468360

約数和(自身を除く): 50372320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 2381, 3368, 4210, 4762, 8420, 9524, 11905, 16840, 19048, 23810, 47620, 95240, 1002401, 2004802, 4009604, 5012005, 8019208, 10024010, 20048020, 40096040]

約数ペア:

[(1, 40096040), (2, 20048020), (4, 10024010), (5, 8019208), (8, 5012005), (10, 4009604), (20, 2004802), (40, 1002401), (421, 95240), (842, 47620), (1684, 23810), (2105, 19048), (2381, 16840), (3368, 11905), (4210, 9524), (4762, 8420)]