51270125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 67212288

約数和(自身を除く): 15942163

約数列:

[1, 5, 25, 31, 101, 125, 131, 155, 505, 655, 775, 2525, 3131, 3275, 3875, 4061, 12625, 13231, 15655, 16375, 20305, 66155, 78275, 101525, 330775, 391375, 410161, 507625, 1653875, 2050805, 10254025, 51270125]

約数ペア:

[(1, 51270125), (5, 10254025), (25, 2050805), (31, 1653875), (101, 507625), (125, 410161), (131, 391375), (155, 330775), (505, 101525), (655, 78275), (775, 66155), (2525, 20305), (3131, 16375), (3275, 15655), (3875, 13231), (4061, 12625)]