2577520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 6829920

約数和(自身を除く): 4252400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 101, 110, 116, 145, 176, 202, 220, 232, 290, 319, 404, 440, 464, 505, 580, 638, 808, 880, 1010, 1111, 1160, 1276, 1595, 1616, 2020, 2222, 2320, 2552, 2929, 3190, 4040, 4444, 5104, 5555, 5858, 6380, 8080, 8888, 11110, 11716, 12760, 14645, 17776, 22220, 23432, 25520, 29290, 32219, 44440, 46864, 58580, 64438, 88880, 117160, 128876, 161095, 234320, 257752, 322190, 515504, 644380, 1288760, 2577520]

約数ペア:

[(1, 2577520), (2, 1288760), (4, 644380), (5, 515504), (8, 322190), (10, 257752), (11, 234320), (16, 161095), (20, 128876), (22, 117160), (29, 88880), (40, 64438), (44, 58580), (55, 46864), (58, 44440), (80, 32219), (88, 29290), (101, 25520), (110, 23432), (116, 22220), (145, 17776), (176, 14645), (202, 12760), (220, 11716), (232, 11110), (290, 8888), (319, 8080), (404, 6380), (440, 5858), (464, 5555), (505, 5104), (580, 4444), (638, 4040), (808, 3190), (880, 2929), (1010, 2552), (1111, 2320), (1160, 2222), (1276, 2020), (1595, 1616)]