3995125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 5151744

約数和(自身を除く): 1156619

約数列:

[1, 5, 25, 31, 125, 155, 775, 1031, 3875, 5155, 25775, 31961, 128875, 159805, 799025, 3995125]

約数ペア:

[(1, 3995125), (5, 799025), (25, 159805), (31, 128875), (125, 31961), (155, 25775), (775, 5155), (1031, 3875)]