12740375

素因数分解:

$5^3\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:691

約数の個数: 16

約数和(自身を含む): 16005600

約数和(自身を除く): 3265225

約数列:

[1, 5, 25, 125, 227, 449, 1135, 2245, 5675, 11225, 28375, 56125, 101923, 509615, 2548075, 12740375]

約数ペア:

[(1, 12740375), (5, 2548075), (25, 509615), (125, 101923), (227, 56125), (449, 28375), (1135, 11225), (2245, 5675)]