39440080

素因数分解:

$2^4\times 5^1\times {\mathrm{493001}}^1$

素因数の和:493014

約数の個数: 20

約数和(自身を含む): 91698372

約数和(自身を除く): 52258292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 493001, 986002, 1972004, 2465005, 3944008, 4930010, 7888016, 9860020, 19720040, 39440080]

約数ペア:

[(1, 39440080), (2, 19720040), (4, 9860020), (5, 7888016), (8, 4930010), (10, 3944008), (16, 2465005), (20, 1972004), (40, 986002), (80, 493001)]