25280125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 34804224

約数和(自身を除く): 9524099

約数列:

[1, 5, 13, 25, 47, 65, 125, 235, 325, 331, 611, 1175, 1625, 1655, 3055, 4303, 5875, 8275, 15275, 15557, 21515, 41375, 76375, 77785, 107575, 202241, 388925, 537875, 1011205, 1944625, 5056025, 25280125]

約数ペア:

[(1, 25280125), (5, 5056025), (13, 1944625), (25, 1011205), (47, 537875), (65, 388925), (125, 202241), (235, 107575), (325, 77785), (331, 76375), (611, 41375), (1175, 21515), (1625, 15557), (1655, 15275), (3055, 8275), (4303, 5875)]