1404080

素因数分解:

$2^4\times 5^1\times {\mathrm{17551}}^1$

素因数の和:17564

約数の個数: 20

約数和(自身を含む): 3264672

約数和(自身を除く): 1860592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17551, 35102, 70204, 87755, 140408, 175510, 280816, 351020, 702040, 1404080]

約数ペア:

[(1, 1404080), (2, 702040), (4, 351020), (5, 280816), (8, 175510), (10, 140408), (16, 87755), (20, 70204), (40, 35102), (80, 17551)]