39684920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 66068680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 76, 88, 94, 95, 101, 110, 152, 188, 190, 202, 209, 220, 235, 376, 380, 404, 418, 440, 470, 505, 517, 760, 808, 836, 893, 940, 1010, 1034, 1045, 1111, 1672, 1786, 1880, 1919, 2020, 2068, 2090, 2222, 2585, 3572, 3838, 4040, 4136, 4180, 4444, 4465, 4747, 5170, 5555, 7144, 7676, 8360, 8888, 8930, 9494, 9595, 9823, 10340, 11110, 15352, 17860, 18988, 19190, 19646, 20680, 21109, 22220, 23735, 35720, 37976, 38380, 39292, 42218, 44440, 47470, 49115, 52217, 76760, 78584, 84436, 90193, 94940, 98230, 104434, 105545, 168872, 180386, 189880, 196460, 208868, 211090, 261085, 360772, 392920, 417736, 422180, 450965, 522170, 721544, 844360, 901930, 992123, 1044340, 1803860, 1984246, 2088680, 3607720, 3968492, 4960615, 7936984, 9921230, 19842460, 39684920]

約数ペア:

[(1, 39684920), (2, 19842460), (4, 9921230), (5, 7936984), (8, 4960615), (10, 3968492), (11, 3607720), (19, 2088680), (20, 1984246), (22, 1803860), (38, 1044340), (40, 992123), (44, 901930), (47, 844360), (55, 721544), (76, 522170), (88, 450965), (94, 422180), (95, 417736), (101, 392920), (110, 360772), (152, 261085), (188, 211090), (190, 208868), (202, 196460), (209, 189880), (220, 180386), (235, 168872), (376, 105545), (380, 104434), (404, 98230), (418, 94940), (440, 90193), (470, 84436), (505, 78584), (517, 76760), (760, 52217), (808, 49115), (836, 47470), (893, 44440), (940, 42218), (1010, 39292), (1034, 38380), (1045, 37976), (1111, 35720), (1672, 23735), (1786, 22220), (1880, 21109), (1919, 20680), (2020, 19646), (2068, 19190), (2090, 18988), (2222, 17860), (2585, 15352), (3572, 11110), (3838, 10340), (4040, 9823), (4136, 9595), (4180, 9494), (4444, 8930), (4465, 8888), (4747, 8360), (5170, 7676), (5555, 7144)]