99878125

素因数分解:

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

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 128991744

約数和(自身を除く): 29113619

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 1031, 3125, 3875, 5155, 19375, 25775, 31961, 96875, 128875, 159805, 644375, 799025, 3221875, 3995125, 19975625, 99878125]

約数ペア:

[(1, 99878125), (5, 19975625), (25, 3995125), (31, 3221875), (125, 799025), (155, 644375), (625, 159805), (775, 128875), (1031, 96875), (3125, 31961), (3875, 25775), (5155, 19375)]