31247080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6151}}^1$

素因数の和:6289

約数の個数: 32

約数和(自身を含む): 70871040

約数和(自身を除く): 39623960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 6151, 12302, 24604, 30755, 49208, 61510, 123020, 246040, 781177, 1562354, 3124708, 3905885, 6249416, 7811770, 15623540, 31247080]

約数ペア:

[(1, 31247080), (2, 15623540), (4, 7811770), (5, 6249416), (8, 3905885), (10, 3124708), (20, 1562354), (40, 781177), (127, 246040), (254, 123020), (508, 61510), (635, 49208), (1016, 30755), (1270, 24604), (2540, 12302), (5080, 6151)]