18496400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3557}}^1$

素因数の和:3588

約数の個数: 60

約数和(自身を含む): 47869332

約数和(自身を除く): 29372932

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3557, 5200, 7114, 14228, 17785, 28456, 35570, 46241, 56912, 71140, 88925, 92482, 142280, 177850, 184964, 231205, 284560, 355700, 369928, 462410, 711400, 739856, 924820, 1156025, 1422800, 1849640, 2312050, 3699280, 4624100, 9248200, 18496400]

約数ペア:

[(1, 18496400), (2, 9248200), (4, 4624100), (5, 3699280), (8, 2312050), (10, 1849640), (13, 1422800), (16, 1156025), (20, 924820), (25, 739856), (26, 711400), (40, 462410), (50, 369928), (52, 355700), (65, 284560), (80, 231205), (100, 184964), (104, 177850), (130, 142280), (200, 92482), (208, 88925), (260, 71140), (325, 56912), (400, 46241), (520, 35570), (650, 28456), (1040, 17785), (1300, 14228), (2600, 7114), (3557, 5200)]