74478680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13591}}^1$

素因数の和:13739

約数の個数: 32

約数和(自身を含む): 168812640

約数和(自身を除く): 94333960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13591, 27182, 54364, 67955, 108728, 135910, 271820, 543640, 1861967, 3723934, 7447868, 9309835, 14895736, 18619670, 37239340, 74478680]

約数ペア:

[(1, 74478680), (2, 37239340), (4, 18619670), (5, 14895736), (8, 9309835), (10, 7447868), (20, 3723934), (40, 1861967), (137, 543640), (274, 271820), (548, 135910), (685, 108728), (1096, 67955), (1370, 54364), (2740, 27182), (5480, 13591)]