66873125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 93120192

約数和(自身を除く): 26247067

約数列:

[1, 5, 11, 25, 55, 71, 125, 137, 275, 355, 625, 685, 781, 1375, 1507, 1775, 3425, 3905, 6875, 7535, 8875, 9727, 17125, 19525, 37675, 44375, 48635, 85625, 97625, 106997, 188375, 243175, 488125, 534985, 941875, 1215875, 2674925, 6079375, 13374625, 66873125]

約数ペア:

[(1, 66873125), (5, 13374625), (11, 6079375), (25, 2674925), (55, 1215875), (71, 941875), (125, 534985), (137, 488125), (275, 243175), (355, 188375), (625, 106997), (685, 97625), (781, 85625), (1375, 48635), (1507, 44375), (1775, 37675), (3425, 19525), (3905, 17125), (6875, 9727), (7535, 8875)]