56705440

素因数分解:

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

素因数の和:167

約数の個数: 144

約数和(自身を含む): 153838440

約数和(自身を除く): 97133000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 101, 110, 116, 121, 145, 160, 176, 202, 220, 232, 242, 290, 319, 352, 404, 440, 464, 484, 505, 580, 605, 638, 808, 880, 928, 968, 1010, 1111, 1160, 1210, 1276, 1595, 1616, 1760, 1936, 2020, 2222, 2320, 2420, 2552, 2929, 3190, 3232, 3509, 3872, 4040, 4444, 4640, 4840, 5104, 5555, 5858, 6380, 7018, 8080, 8888, 9680, 10208, 11110, 11716, 12221, 12760, 14036, 14645, 16160, 17545, 17776, 19360, 22220, 23432, 24442, 25520, 28072, 29290, 32219, 35090, 35552, 44440, 46864, 48884, 51040, 56144, 58580, 61105, 64438, 70180, 88880, 93728, 97768, 112288, 117160, 122210, 128876, 140360, 161095, 177760, 195536, 234320, 244420, 257752, 280720, 322190, 354409, 391072, 468640, 488840, 515504, 561440, 644380, 708818, 977680, 1031008, 1288760, 1417636, 1772045, 1955360, 2577520, 2835272, 3544090, 5155040, 5670544, 7088180, 11341088, 14176360, 28352720, 56705440]

約数ペア:

[(1, 56705440), (2, 28352720), (4, 14176360), (5, 11341088), (8, 7088180), (10, 5670544), (11, 5155040), (16, 3544090), (20, 2835272), (22, 2577520), (29, 1955360), (32, 1772045), (40, 1417636), (44, 1288760), (55, 1031008), (58, 977680), (80, 708818), (88, 644380), (101, 561440), (110, 515504), (116, 488840), (121, 468640), (145, 391072), (160, 354409), (176, 322190), (202, 280720), (220, 257752), (232, 244420), (242, 234320), (290, 195536), (319, 177760), (352, 161095), (404, 140360), (440, 128876), (464, 122210), (484, 117160), (505, 112288), (580, 97768), (605, 93728), (638, 88880), (808, 70180), (880, 64438), (928, 61105), (968, 58580), (1010, 56144), (1111, 51040), (1160, 48884), (1210, 46864), (1276, 44440), (1595, 35552), (1616, 35090), (1760, 32219), (1936, 29290), (2020, 28072), (2222, 25520), (2320, 24442), (2420, 23432), (2552, 22220), (2929, 19360), (3190, 17776), (3232, 17545), (3509, 16160), (3872, 14645), (4040, 14036), (4444, 12760), (4640, 12221), (4840, 11716), (5104, 11110), (5555, 10208), (5858, 9680), (6380, 8888), (7018, 8080)]