72974960

素因数分解:

$2^4\times 5^1\times {\mathrm{912187}}^1$

素因数の和:912200

約数の個数: 20

約数和(自身を含む): 169666968

約数和(自身を除く): 96692008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 912187, 1824374, 3648748, 4560935, 7297496, 9121870, 14594992, 18243740, 36487480, 72974960]

約数ペア:

[(1, 72974960), (2, 36487480), (4, 18243740), (5, 14594992), (8, 9121870), (10, 7297496), (16, 4560935), (20, 3648748), (40, 1824374), (80, 912187)]