85020760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 209952000

約数和(自身を除く): 124931240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 971, 995, 1592, 1942, 1990, 2189, 3884, 3980, 4378, 4855, 7768, 7960, 8756, 9710, 10681, 10945, 17512, 19420, 21362, 21890, 38840, 42724, 43780, 53405, 85448, 87560, 106810, 193229, 213620, 386458, 427240, 772916, 966145, 1545832, 1932290, 2125519, 3864580, 4251038, 7729160, 8502076, 10627595, 17004152, 21255190, 42510380, 85020760]

約数ペア:

[(1, 85020760), (2, 42510380), (4, 21255190), (5, 17004152), (8, 10627595), (10, 8502076), (11, 7729160), (20, 4251038), (22, 3864580), (40, 2125519), (44, 1932290), (55, 1545832), (88, 966145), (110, 772916), (199, 427240), (220, 386458), (398, 213620), (440, 193229), (796, 106810), (971, 87560), (995, 85448), (1592, 53405), (1942, 43780), (1990, 42724), (2189, 38840), (3884, 21890), (3980, 21362), (4378, 19420), (4855, 17512), (7768, 10945), (7960, 10681), (8756, 9710)]