305492080

素因数分解:

$2^4\times 5^1\times {\mathrm{3818651}}^1$

素因数の和:3818664

約数の個数: 20

約数和(自身を含む): 710269272

約数和(自身を除く): 404777192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3818651, 7637302, 15274604, 19093255, 30549208, 38186510, 61098416, 76373020, 152746040, 305492080]

約数ペア:

[(1, 305492080), (2, 152746040), (4, 76373020), (5, 61098416), (8, 38186510), (10, 30549208), (16, 19093255), (20, 15274604), (40, 7637302), (80, 3818651)]