12205480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43591}}^1$

素因数の和:43609

約数の個数: 32

約数和(自身を含む): 31386240

約数和(自身を除く): 19180760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43591, 87182, 174364, 217955, 305137, 348728, 435910, 610274, 871820, 1220548, 1525685, 1743640, 2441096, 3051370, 6102740, 12205480]

約数ペア:

[(1, 12205480), (2, 6102740), (4, 3051370), (5, 2441096), (7, 1743640), (8, 1525685), (10, 1220548), (14, 871820), (20, 610274), (28, 435910), (35, 348728), (40, 305137), (56, 217955), (70, 174364), (140, 87182), (280, 43591)]