2000684080

素因数分解:

$2^4\times 5^1\times {\mathrm{25008551}}^1$

素因数の和:25008564

約数の個数: 20

約数和(自身を含む): 4651590672

約数和(自身を除く): 2650906592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25008551, 50017102, 100034204, 125042755, 200068408, 250085510, 400136816, 500171020, 1000342040, 2000684080]

約数ペア:

[(1, 2000684080), (2, 1000342040), (4, 500171020), (5, 400136816), (8, 250085510), (10, 200068408), (16, 125042755), (20, 100034204), (40, 50017102), (80, 25008551)]