2538125

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 20

約数和(自身を含む): 3298944

約数和(自身を除く): 760819

約数列:

[1, 5, 25, 31, 125, 131, 155, 625, 655, 775, 3275, 3875, 4061, 16375, 19375, 20305, 81875, 101525, 507625, 2538125]

約数ペア:

[(1, 2538125), (5, 507625), (25, 101525), (31, 81875), (125, 20305), (131, 19375), (155, 16375), (625, 4061), (655, 3875), (775, 3275)]