6620125

素因数分解:

$5^3\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:477

約数の個数: 16

約数和(自身を含む): 8334144

約数和(自身を除く): 1714019

約数列:

[1, 5, 25, 125, 211, 251, 1055, 1255, 5275, 6275, 26375, 31375, 52961, 264805, 1324025, 6620125]

約数ペア:

[(1, 6620125), (5, 1324025), (25, 264805), (125, 52961), (211, 31375), (251, 26375), (1055, 6275), (1255, 5275)]