90517640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42697}}^1$

素因数の和:42761

約数の個数: 32

約数和(自身を含む): 207512280

約数和(自身を除く): 116994640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42697, 85394, 170788, 213485, 341576, 426970, 853940, 1707880, 2262941, 4525882, 9051764, 11314705, 18103528, 22629410, 45258820, 90517640]

約数ペア:

[(1, 90517640), (2, 45258820), (4, 22629410), (5, 18103528), (8, 11314705), (10, 9051764), (20, 4525882), (40, 2262941), (53, 1707880), (106, 853940), (212, 426970), (265, 341576), (424, 213485), (530, 170788), (1060, 85394), (2120, 42697)]