90437360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86959}}^1$

素因数の和:86985

約数の個数: 40

約数和(自身を含む): 226443840

約数和(自身を除く): 136006480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 86959, 173918, 347836, 434795, 695672, 869590, 1130467, 1391344, 1739180, 2260934, 3478360, 4521868, 5652335, 6956720, 9043736, 11304670, 18087472, 22609340, 45218680, 90437360]

約数ペア:

[(1, 90437360), (2, 45218680), (4, 22609340), (5, 18087472), (8, 11304670), (10, 9043736), (13, 6956720), (16, 5652335), (20, 4521868), (26, 3478360), (40, 2260934), (52, 1739180), (65, 1391344), (80, 1130467), (104, 869590), (130, 695672), (208, 434795), (260, 347836), (520, 173918), (1040, 86959)]