40212080

素因数分解:

$2^4\times 5^1\times {\mathrm{502651}}^1$

素因数の和:502664

約数の個数: 20

約数和(自身を含む): 93493272

約数和(自身を除く): 53281192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502651, 1005302, 2010604, 2513255, 4021208, 5026510, 8042416, 10053020, 20106040, 40212080]

約数ペア:

[(1, 40212080), (2, 20106040), (4, 10053020), (5, 8042416), (8, 5026510), (10, 4021208), (16, 2513255), (20, 2010604), (40, 1005302), (80, 502651)]