64437340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26627}}^1$

素因数の和:26658

約数の個数: 36

約数和(自身を含む): 148744008

約数和(自身を除く): 84306668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 26627, 53254, 106508, 133135, 266270, 292897, 532540, 585794, 1171588, 1464485, 2928970, 3221867, 5857940, 6443734, 12887468, 16109335, 32218670, 64437340]

約数ペア:

[(1, 64437340), (2, 32218670), (4, 16109335), (5, 12887468), (10, 6443734), (11, 5857940), (20, 3221867), (22, 2928970), (44, 1464485), (55, 1171588), (110, 585794), (121, 532540), (220, 292897), (242, 266270), (484, 133135), (605, 106508), (1210, 53254), (2420, 26627)]