70862920

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2137}}^1$

素因数の和:2977

約数の個数: 32

約数和(自身を含む): 159708600

約数和(自身を除く): 88845680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 2137, 3316, 4145, 4274, 6632, 8290, 8548, 10685, 16580, 17096, 21370, 33160, 42740, 85480, 1771573, 3543146, 7086292, 8857865, 14172584, 17715730, 35431460, 70862920]

約数ペア:

[(1, 70862920), (2, 35431460), (4, 17715730), (5, 14172584), (8, 8857865), (10, 7086292), (20, 3543146), (40, 1771573), (829, 85480), (1658, 42740), (2137, 33160), (3316, 21370), (4145, 17096), (4274, 16580), (6632, 10685), (8290, 8548)]