22198040

素因数分解:

$2^3\times 5^1\times {\mathrm{554951}}^1$

素因数の和:554962

約数の個数: 16

約数和(自身を含む): 49945680

約数和(自身を除く): 27747640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 554951, 1109902, 2219804, 2774755, 4439608, 5549510, 11099020, 22198040]

約数ペア:

[(1, 22198040), (2, 11099020), (4, 5549510), (5, 4439608), (8, 2774755), (10, 2219804), (20, 1109902), (40, 554951)]