17261920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 45172512

約数和(自身を除く): 27910592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 193, 208, 215, 260, 344, 386, 416, 430, 520, 559, 688, 772, 860, 965, 1040, 1118, 1376, 1544, 1720, 1930, 2080, 2236, 2509, 2795, 3088, 3440, 3860, 4472, 5018, 5590, 6176, 6880, 7720, 8299, 8944, 10036, 11180, 12545, 15440, 16598, 17888, 20072, 22360, 25090, 30880, 33196, 40144, 41495, 44720, 50180, 66392, 80288, 82990, 89440, 100360, 107887, 132784, 165980, 200720, 215774, 265568, 331960, 401440, 431548, 539435, 663920, 863096, 1078870, 1327840, 1726192, 2157740, 3452384, 4315480, 8630960, 17261920]

約数ペア:

[(1, 17261920), (2, 8630960), (4, 4315480), (5, 3452384), (8, 2157740), (10, 1726192), (13, 1327840), (16, 1078870), (20, 863096), (26, 663920), (32, 539435), (40, 431548), (43, 401440), (52, 331960), (65, 265568), (80, 215774), (86, 200720), (104, 165980), (130, 132784), (160, 107887), (172, 100360), (193, 89440), (208, 82990), (215, 80288), (260, 66392), (344, 50180), (386, 44720), (416, 41495), (430, 40144), (520, 33196), (559, 30880), (688, 25090), (772, 22360), (860, 20072), (965, 17888), (1040, 16598), (1118, 15440), (1376, 12545), (1544, 11180), (1720, 10036), (1930, 8944), (2080, 8299), (2236, 7720), (2509, 6880), (2795, 6176), (3088, 5590), (3440, 5018), (3860, 4472)]