2489470160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{438287}}^1$

素因数の和:438371

約数の個数: 40

約数和(自身を含む): 5869552896

約数和(自身を除く): 3380082736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 438287, 876574, 1753148, 2191435, 3506296, 4382870, 7012592, 8765740, 17531480, 31118377, 35062960, 62236754, 124473508, 155591885, 248947016, 311183770, 497894032, 622367540, 1244735080, 2489470160]

約数ペア:

[(1, 2489470160), (2, 1244735080), (4, 622367540), (5, 497894032), (8, 311183770), (10, 248947016), (16, 155591885), (20, 124473508), (40, 62236754), (71, 35062960), (80, 31118377), (142, 17531480), (284, 8765740), (355, 7012592), (568, 4382870), (710, 3506296), (1136, 2191435), (1420, 1753148), (2840, 876574), (5680, 438287)]