4088125

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 20

約数和(自身を含む): 5298304

約数和(自身を除く): 1210179

約数列:

[1, 5, 25, 31, 125, 155, 211, 625, 775, 1055, 3875, 5275, 6541, 19375, 26375, 32705, 131875, 163525, 817625, 4088125]

約数ペア:

[(1, 4088125), (5, 817625), (25, 163525), (31, 131875), (125, 32705), (155, 26375), (211, 19375), (625, 6541), (775, 5275), (1055, 3875)]