198332080

素因数分解:

$2^4\times 5^1\times {\mathrm{2479151}}^1$

素因数の和:2479164

約数の個数: 20

約数和(自身を含む): 461122272

約数和(自身を除く): 262790192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2479151, 4958302, 9916604, 12395755, 19833208, 24791510, 39666416, 49583020, 99166040, 198332080]

約数ペア:

[(1, 198332080), (2, 99166040), (4, 49583020), (5, 39666416), (8, 24791510), (10, 19833208), (16, 12395755), (20, 9916604), (40, 4958302), (80, 2479151)]