28588780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4481}}^1$

素因数の和:4530

約数の個数: 48

約数和(自身を含む): 67767840

約数和(自身を除く): 39179060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4481, 6380, 8962, 17924, 22405, 44810, 49291, 89620, 98582, 129949, 197164, 246455, 259898, 492910, 519796, 649745, 985820, 1299490, 1429439, 2598980, 2858878, 5717756, 7147195, 14294390, 28588780]

約数ペア:

[(1, 28588780), (2, 14294390), (4, 7147195), (5, 5717756), (10, 2858878), (11, 2598980), (20, 1429439), (22, 1299490), (29, 985820), (44, 649745), (55, 519796), (58, 492910), (110, 259898), (116, 246455), (145, 197164), (220, 129949), (290, 98582), (319, 89620), (580, 49291), (638, 44810), (1276, 22405), (1595, 17924), (3190, 8962), (4481, 6380)]