6404080

素因数分解:

$2^4\times 5^1\times {\mathrm{80051}}^1$

素因数の和:80064

約数の個数: 20

約数和(自身を含む): 14889672

約数和(自身を除く): 8485592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 80051, 160102, 320204, 400255, 640408, 800510, 1280816, 1601020, 3202040, 6404080]

約数ペア:

[(1, 6404080), (2, 3202040), (4, 1601020), (5, 1280816), (8, 800510), (10, 640408), (16, 400255), (20, 320204), (40, 160102), (80, 80051)]