199932080

素因数分解:

$2^4\times 5^1\times {\mathrm{2499151}}^1$

素因数の和:2499164

約数の個数: 20

約数和(自身を含む): 464842272

約数和(自身を除く): 264910192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2499151, 4998302, 9996604, 12495755, 19993208, 24991510, 39986416, 49983020, 99966040, 199932080]

約数ペア:

[(1, 199932080), (2, 99966040), (4, 49983020), (5, 39986416), (8, 24991510), (10, 19993208), (16, 12495755), (20, 9996604), (40, 4998302), (80, 2499151)]