12478442020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{26717}}^1$

素因数の和:26941

約数の個数: 72

約数和(自身を含む): 28953869112

約数和(自身を除く): 16475427092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 193, 220, 242, 386, 484, 605, 772, 965, 1210, 1930, 2123, 2420, 3860, 4246, 8492, 10615, 21230, 23353, 26717, 42460, 46706, 53434, 93412, 106868, 116765, 133585, 233530, 267170, 293887, 467060, 534340, 587774, 1175548, 1469435, 2938870, 3232757, 5156381, 5877740, 6465514, 10312762, 12931028, 16163785, 20625524, 25781905, 32327570, 51563810, 56720191, 64655140, 103127620, 113440382, 226880764, 283600955, 567201910, 623922101, 1134403820, 1247844202, 2495688404, 3119610505, 6239221010, 12478442020]

約数ペア:

[(1, 12478442020), (2, 6239221010), (4, 3119610505), (5, 2495688404), (10, 1247844202), (11, 1134403820), (20, 623922101), (22, 567201910), (44, 283600955), (55, 226880764), (110, 113440382), (121, 103127620), (193, 64655140), (220, 56720191), (242, 51563810), (386, 32327570), (484, 25781905), (605, 20625524), (772, 16163785), (965, 12931028), (1210, 10312762), (1930, 6465514), (2123, 5877740), (2420, 5156381), (3860, 3232757), (4246, 2938870), (8492, 1469435), (10615, 1175548), (21230, 587774), (23353, 534340), (26717, 467060), (42460, 293887), (46706, 267170), (53434, 233530), (93412, 133585), (106868, 116765)]