30974960

素因数分解:

$2^4\times 5^1\times {\mathrm{387187}}^1$

素因数の和:387200

約数の個数: 20

約数和(自身を含む): 72016968

約数和(自身を除く): 41042008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387187, 774374, 1548748, 1935935, 3097496, 3871870, 6194992, 7743740, 15487480, 30974960]

約数ペア:

[(1, 30974960), (2, 15487480), (4, 7743740), (5, 6194992), (8, 3871870), (10, 3097496), (16, 1935935), (20, 1548748), (40, 774374), (80, 387187)]