87168125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 122960640

約数和(自身を除く): 35792515

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 341, 409, 625, 775, 1375, 1705, 2045, 3875, 4499, 6875, 8525, 10225, 12679, 19375, 22495, 42625, 51125, 63395, 112475, 139469, 213125, 255625, 316975, 562375, 697345, 1584875, 2811875, 3486725, 7924375, 17433625, 87168125]

約数ペア:

[(1, 87168125), (5, 17433625), (11, 7924375), (25, 3486725), (31, 2811875), (55, 1584875), (125, 697345), (155, 562375), (275, 316975), (341, 255625), (409, 213125), (625, 139469), (775, 112475), (1375, 63395), (1705, 51125), (2045, 42625), (3875, 22495), (4499, 19375), (6875, 12679), (8525, 10225)]