51129875

素因数分解:

$5^3\times {\mathrm{449}}^1\times {\mathrm{911}}^1$

素因数の和:1375

約数の個数: 16

約数和(自身を含む): 64022400

約数和(自身を除く): 12892525

約数列:

[1, 5, 25, 125, 449, 911, 2245, 4555, 11225, 22775, 56125, 113875, 409039, 2045195, 10225975, 51129875]

約数ペア:

[(1, 51129875), (5, 10225975), (25, 2045195), (125, 409039), (449, 113875), (911, 56125), (2245, 22775), (4555, 11225)]