251004080

素因数分解:

$2^4\times 5^1\times {\mathrm{3137551}}^1$

素因数の和:3137564

約数の個数: 20

約数和(自身を含む): 583584672

約数和(自身を除く): 332580592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3137551, 6275102, 12550204, 15687755, 25100408, 31375510, 50200816, 62751020, 125502040, 251004080]

約数ペア:

[(1, 251004080), (2, 125502040), (4, 62751020), (5, 50200816), (8, 31375510), (10, 25100408), (16, 15687755), (20, 12550204), (40, 6275102), (80, 3137551)]