104988080

素因数分解:

$2^4\times 5^1\times {\mathrm{1312351}}^1$

素因数の和:1312364

約数の個数: 20

約数和(自身を含む): 244097472

約数和(自身を除く): 139109392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1312351, 2624702, 5249404, 6561755, 10498808, 13123510, 20997616, 26247020, 52494040, 104988080]

約数ペア:

[(1, 104988080), (2, 52494040), (4, 26247020), (5, 20997616), (8, 13123510), (10, 10498808), (16, 6561755), (20, 5249404), (40, 2624702), (80, 1312351)]