74204080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29921}}^1$

素因数の和:29965

約数の個数: 40

約数和(自身を含む): 178095744

約数和(自身を除く): 103891664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29921, 59842, 119684, 149605, 239368, 299210, 478736, 598420, 927551, 1196840, 1855102, 2393680, 3710204, 4637755, 7420408, 9275510, 14840816, 18551020, 37102040, 74204080]

約数ペア:

[(1, 74204080), (2, 37102040), (4, 18551020), (5, 14840816), (8, 9275510), (10, 7420408), (16, 4637755), (20, 3710204), (31, 2393680), (40, 1855102), (62, 1196840), (80, 927551), (124, 598420), (155, 478736), (248, 299210), (310, 239368), (496, 149605), (620, 119684), (1240, 59842), (2480, 29921)]