123720875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 164324160

約数和(自身を除く): 40603285

約数列:

[1, 5, 19, 25, 95, 113, 125, 461, 475, 565, 2147, 2305, 2375, 2825, 8759, 10735, 11525, 14125, 43795, 52093, 53675, 57625, 218975, 260465, 268375, 989767, 1094875, 1302325, 4948835, 6511625, 24744175, 123720875]

約数ペア:

[(1, 123720875), (5, 24744175), (19, 6511625), (25, 4948835), (95, 1302325), (113, 1094875), (125, 989767), (461, 268375), (475, 260465), (565, 218975), (2147, 57625), (2305, 53675), (2375, 52093), (2825, 43795), (8759, 14125), (10735, 11525)]