39402880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 106855200

約数和(自身を除く): 67452320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 193, 220, 232, 290, 319, 320, 352, 386, 440, 464, 580, 638, 640, 704, 772, 880, 928, 965, 1160, 1276, 1408, 1544, 1595, 1760, 1856, 1930, 2123, 2320, 2552, 3088, 3190, 3520, 3712, 3860, 4246, 4640, 5104, 5597, 6176, 6380, 7040, 7720, 8492, 9280, 10208, 10615, 11194, 12352, 12760, 15440, 16984, 18560, 20416, 21230, 22388, 24704, 25520, 27985, 30880, 33968, 40832, 42460, 44776, 51040, 55970, 61567, 61760, 67936, 84920, 89552, 102080, 111940, 123134, 123520, 135872, 169840, 179104, 204160, 223880, 246268, 271744, 307835, 339680, 358208, 447760, 492536, 615670, 679360, 716416, 895520, 985072, 1231340, 1358720, 1791040, 1970144, 2462680, 3582080, 3940288, 4925360, 7880576, 9850720, 19701440, 39402880]

約数ペア:

[(1, 39402880), (2, 19701440), (4, 9850720), (5, 7880576), (8, 4925360), (10, 3940288), (11, 3582080), (16, 2462680), (20, 1970144), (22, 1791040), (29, 1358720), (32, 1231340), (40, 985072), (44, 895520), (55, 716416), (58, 679360), (64, 615670), (80, 492536), (88, 447760), (110, 358208), (116, 339680), (128, 307835), (145, 271744), (160, 246268), (176, 223880), (193, 204160), (220, 179104), (232, 169840), (290, 135872), (319, 123520), (320, 123134), (352, 111940), (386, 102080), (440, 89552), (464, 84920), (580, 67936), (638, 61760), (640, 61567), (704, 55970), (772, 51040), (880, 44776), (928, 42460), (965, 40832), (1160, 33968), (1276, 30880), (1408, 27985), (1544, 25520), (1595, 24704), (1760, 22388), (1856, 21230), (1930, 20416), (2123, 18560), (2320, 16984), (2552, 15440), (3088, 12760), (3190, 12352), (3520, 11194), (3712, 10615), (3860, 10208), (4246, 9280), (4640, 8492), (5104, 7720), (5597, 7040), (6176, 6380)]