8429920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 21772800

約数和(自身を除く): 13342880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 59, 76, 80, 94, 95, 118, 152, 160, 188, 190, 235, 236, 295, 304, 376, 380, 470, 472, 590, 608, 752, 760, 893, 940, 944, 1121, 1180, 1504, 1520, 1786, 1880, 1888, 2242, 2360, 2773, 3040, 3572, 3760, 4465, 4484, 4720, 5546, 5605, 7144, 7520, 8930, 8968, 9440, 11092, 11210, 13865, 14288, 17860, 17936, 22184, 22420, 27730, 28576, 35720, 35872, 44368, 44840, 52687, 55460, 71440, 88736, 89680, 105374, 110920, 142880, 179360, 210748, 221840, 263435, 421496, 443680, 526870, 842992, 1053740, 1685984, 2107480, 4214960, 8429920]

約数ペア:

[(1, 8429920), (2, 4214960), (4, 2107480), (5, 1685984), (8, 1053740), (10, 842992), (16, 526870), (19, 443680), (20, 421496), (32, 263435), (38, 221840), (40, 210748), (47, 179360), (59, 142880), (76, 110920), (80, 105374), (94, 89680), (95, 88736), (118, 71440), (152, 55460), (160, 52687), (188, 44840), (190, 44368), (235, 35872), (236, 35720), (295, 28576), (304, 27730), (376, 22420), (380, 22184), (470, 17936), (472, 17860), (590, 14288), (608, 13865), (752, 11210), (760, 11092), (893, 9440), (940, 8968), (944, 8930), (1121, 7520), (1180, 7144), (1504, 5605), (1520, 5546), (1786, 4720), (1880, 4484), (1888, 4465), (2242, 3760), (2360, 3572), (2773, 3040)]