30970960

素因数分解:

$2^4\times 5^1\times {\mathrm{387137}}^1$

素因数の和:387150

約数の個数: 20

約数和(自身を含む): 72007668

約数和(自身を除く): 41036708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387137, 774274, 1548548, 1935685, 3097096, 3871370, 6194192, 7742740, 15485480, 30970960]

約数ペア:

[(1, 30970960), (2, 15485480), (4, 7742740), (5, 6194192), (8, 3871370), (10, 3097096), (16, 1935685), (20, 1548548), (40, 774274), (80, 387137)]