203372080

素因数分解:

$2^4\times 5^1\times {\mathrm{2542151}}^1$

素因数の和:2542164

約数の個数: 20

約数和(自身を含む): 472840272

約数和(自身を除く): 269468192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542151, 5084302, 10168604, 12710755, 20337208, 25421510, 40674416, 50843020, 101686040, 203372080]

約数ペア:

[(1, 203372080), (2, 101686040), (4, 50843020), (5, 40674416), (8, 25421510), (10, 20337208), (16, 12710755), (20, 10168604), (40, 5084302), (80, 2542151)]