12715340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 30149280

約数和(自身を除く): 17433940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 1993, 3190, 3986, 6380, 7972, 9965, 19930, 21923, 39860, 43846, 57797, 87692, 109615, 115594, 219230, 231188, 288985, 438460, 577970, 635767, 1155940, 1271534, 2543068, 3178835, 6357670, 12715340]

約数ペア:

[(1, 12715340), (2, 6357670), (4, 3178835), (5, 2543068), (10, 1271534), (11, 1155940), (20, 635767), (22, 577970), (29, 438460), (44, 288985), (55, 231188), (58, 219230), (110, 115594), (116, 109615), (145, 87692), (220, 57797), (290, 43846), (319, 39860), (580, 21923), (638, 19930), (1276, 9965), (1595, 7972), (1993, 6380), (3190, 3986)]