157215212080

素因数分解:

$2^4\times 5^1\times {\mathrm{1965190151}}^1$

素因数の和:1965190164

約数の個数: 20

約数和(自身を含む): 365525368272

約数和(自身を除く): 208310156192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1965190151, 3930380302, 7860760604, 9825950755, 15721521208, 19651901510, 31443042416, 39303803020, 78607606040, 157215212080]

約数ペア:

[(1, 157215212080), (2, 78607606040), (4, 39303803020), (5, 31443042416), (8, 19651901510), (10, 15721521208), (16, 9825950755), (20, 7860760604), (40, 3930380302), (80, 1965190151)]