25589740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2837}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 60074784

約数和(自身を除く): 34485044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2837, 4510, 5674, 9020, 11348, 14185, 28370, 31207, 56740, 62414, 116317, 124828, 156035, 232634, 312070, 465268, 581585, 624140, 1163170, 1279487, 2326340, 2558974, 5117948, 6397435, 12794870, 25589740]

約数ペア:

[(1, 25589740), (2, 12794870), (4, 6397435), (5, 5117948), (10, 2558974), (11, 2326340), (20, 1279487), (22, 1163170), (41, 624140), (44, 581585), (55, 465268), (82, 312070), (110, 232634), (164, 156035), (205, 124828), (220, 116317), (410, 62414), (451, 56740), (820, 31207), (902, 28370), (1804, 14185), (2255, 11348), (2837, 9020), (4510, 5674)]