2156080

素因数分解:

$2^4\times 5^1\times {\mathrm{26951}}^1$

素因数の和:26964

約数の個数: 20

約数和(自身を含む): 5013072

約数和(自身を除く): 2856992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26951, 53902, 107804, 134755, 215608, 269510, 431216, 539020, 1078040, 2156080]

約数ペア:

[(1, 2156080), (2, 1078040), (4, 539020), (5, 431216), (8, 269510), (10, 215608), (16, 134755), (20, 107804), (40, 53902), (80, 26951)]