56122880

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2027

約数の個数: 80

約数和(自身を含む): 146870064

約数和(自身を除く): 90747184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 1993, 2560, 2816, 3520, 3986, 5632, 7040, 7972, 9965, 14080, 15944, 19930, 21923, 28160, 31888, 39860, 43846, 63776, 79720, 87692, 109615, 127552, 159440, 175384, 219230, 255104, 318880, 350768, 438460, 510208, 637760, 701536, 876920, 1020416, 1275520, 1403072, 1753840, 2551040, 2806144, 3507680, 5102080, 5612288, 7015360, 11224576, 14030720, 28061440, 56122880]

約数ペア:

[(1, 56122880), (2, 28061440), (4, 14030720), (5, 11224576), (8, 7015360), (10, 5612288), (11, 5102080), (16, 3507680), (20, 2806144), (22, 2551040), (32, 1753840), (40, 1403072), (44, 1275520), (55, 1020416), (64, 876920), (80, 701536), (88, 637760), (110, 510208), (128, 438460), (160, 350768), (176, 318880), (220, 255104), (256, 219230), (320, 175384), (352, 159440), (440, 127552), (512, 109615), (640, 87692), (704, 79720), (880, 63776), (1280, 43846), (1408, 39860), (1760, 31888), (1993, 28160), (2560, 21923), (2816, 19930), (3520, 15944), (3986, 14080), (5632, 9965), (7040, 7972)]