65640125

素因数分解:

$5^3\times {\mathrm{137}}^1\times {\mathrm{3833}}^1$

素因数の和:3985

約数の個数: 16

約数和(自身を含む): 82538352

約数和(自身を除く): 16898227

約数列:

[1, 5, 25, 125, 137, 685, 3425, 3833, 17125, 19165, 95825, 479125, 525121, 2625605, 13128025, 65640125]

約数ペア:

[(1, 65640125), (5, 13128025), (25, 2625605), (125, 525121), (137, 479125), (685, 95825), (3425, 19165), (3833, 17125)]