218838040

素因数分解:

$2^3\times 5^1\times {\mathrm{5470951}}^1$

素因数の和:5470962

約数の個数: 16

約数和(自身を含む): 492385680

約数和(自身を除く): 273547640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5470951, 10941902, 21883804, 27354755, 43767608, 54709510, 109419020, 218838040]

約数ペア:

[(1, 218838040), (2, 109419020), (4, 54709510), (5, 43767608), (8, 27354755), (10, 21883804), (20, 10941902), (40, 5470951)]