64865125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 88058880

約数和(自身を除く): 23193755

約数列:

[1, 5, 13, 25, 65, 125, 179, 223, 325, 895, 1115, 1625, 2327, 2899, 4475, 5575, 11635, 14495, 22375, 27875, 39917, 58175, 72475, 199585, 290875, 362375, 518921, 997925, 2594605, 4989625, 12973025, 64865125]

約数ペア:

[(1, 64865125), (5, 12973025), (13, 4989625), (25, 2594605), (65, 997925), (125, 518921), (179, 362375), (223, 290875), (325, 199585), (895, 72475), (1115, 58175), (1625, 39917), (2327, 27875), (2899, 22375), (4475, 14495), (5575, 11635)]