90493360

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1637}}^1$

素因数の和:2341

約数の個数: 40

約数和(自身を含む): 210830256

約数和(自身を除く): 120336896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 1637, 2764, 3274, 3455, 5528, 6548, 6910, 8185, 11056, 13096, 13820, 16370, 26192, 27640, 32740, 55280, 65480, 130960, 1131167, 2262334, 4524668, 5655835, 9049336, 11311670, 18098672, 22623340, 45246680, 90493360]

約数ペア:

[(1, 90493360), (2, 45246680), (4, 22623340), (5, 18098672), (8, 11311670), (10, 9049336), (16, 5655835), (20, 4524668), (40, 2262334), (80, 1131167), (691, 130960), (1382, 65480), (1637, 55280), (2764, 32740), (3274, 27640), (3455, 26192), (5528, 16370), (6548, 13820), (6910, 13096), (8185, 11056)]