8924389375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 12631956480

約数和(自身を除く): 3707567105

約数列:

[1, 5, 11, 25, 47, 55, 71, 125, 235, 275, 355, 389, 517, 625, 781, 1175, 1375, 1775, 1945, 2585, 3337, 3905, 4279, 5875, 6875, 8875, 9725, 12925, 16685, 18283, 19525, 21395, 27619, 29375, 36707, 44375, 48625, 64625, 83425, 91415, 97625, 106975, 138095, 183535, 201113, 243125, 303809, 323125, 417125, 457075, 488125, 534875, 690475, 917675, 1005565, 1298093, 1519045, 2085625, 2285375, 2674375, 3452375, 4588375, 5027825, 6490465, 7595225, 11426875, 14279023, 17261875, 22941875, 25139125, 32452325, 37976125, 71395115, 125695625, 162261625, 189880625, 356975575, 811308125, 1784877875, 8924389375]

約数ペア:

[(1, 8924389375), (5, 1784877875), (11, 811308125), (25, 356975575), (47, 189880625), (55, 162261625), (71, 125695625), (125, 71395115), (235, 37976125), (275, 32452325), (355, 25139125), (389, 22941875), (517, 17261875), (625, 14279023), (781, 11426875), (1175, 7595225), (1375, 6490465), (1775, 5027825), (1945, 4588375), (2585, 3452375), (3337, 2674375), (3905, 2285375), (4279, 2085625), (5875, 1519045), (6875, 1298093), (8875, 1005565), (9725, 917675), (12925, 690475), (16685, 534875), (18283, 488125), (19525, 457075), (21395, 417125), (27619, 323125), (29375, 303809), (36707, 243125), (44375, 201113), (48625, 183535), (64625, 138095), (83425, 106975), (91415, 97625)]