28746740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3187}}^1$

素因数の和:3248

約数の個数: 48

約数和(自身を含む): 67483584

約数和(自身を除く): 38736844

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, 3187, 4510, 6374, 9020, 12748, 15935, 31870, 35057, 63740, 70114, 130667, 140228, 175285, 261334, 350570, 522668, 653335, 701140, 1306670, 1437337, 2613340, 2874674, 5749348, 7186685, 14373370, 28746740]

約数ペア:

[(1, 28746740), (2, 14373370), (4, 7186685), (5, 5749348), (10, 2874674), (11, 2613340), (20, 1437337), (22, 1306670), (41, 701140), (44, 653335), (55, 522668), (82, 350570), (110, 261334), (164, 175285), (205, 140228), (220, 130667), (410, 70114), (451, 63740), (820, 35057), (902, 31870), (1804, 15935), (2255, 12748), (3187, 9020), (4510, 6374)]