28105360

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3109}}^1$

素因数の和:3235

約数の個数: 40

約数和(自身を含む): 65944440

約数和(自身を除く): 37839080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 3109, 4520, 6218, 9040, 12436, 15545, 24872, 31090, 49744, 62180, 124360, 248720, 351317, 702634, 1405268, 1756585, 2810536, 3513170, 5621072, 7026340, 14052680, 28105360]

約数ペア:

[(1, 28105360), (2, 14052680), (4, 7026340), (5, 5621072), (8, 3513170), (10, 2810536), (16, 1756585), (20, 1405268), (40, 702634), (80, 351317), (113, 248720), (226, 124360), (452, 62180), (565, 49744), (904, 31090), (1130, 24872), (1808, 15545), (2260, 12436), (3109, 9040), (4520, 6218)]