12666040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 30132000

約数和(自身を除く): 17465960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 179, 232, 244, 290, 305, 358, 488, 580, 610, 716, 895, 1160, 1220, 1432, 1769, 1790, 2440, 3538, 3580, 5191, 7076, 7160, 8845, 10382, 10919, 14152, 17690, 20764, 21838, 25955, 35380, 41528, 43676, 51910, 54595, 70760, 87352, 103820, 109190, 207640, 218380, 316651, 436760, 633302, 1266604, 1583255, 2533208, 3166510, 6333020, 12666040]

約数ペア:

[(1, 12666040), (2, 6333020), (4, 3166510), (5, 2533208), (8, 1583255), (10, 1266604), (20, 633302), (29, 436760), (40, 316651), (58, 218380), (61, 207640), (116, 109190), (122, 103820), (145, 87352), (179, 70760), (232, 54595), (244, 51910), (290, 43676), (305, 41528), (358, 35380), (488, 25955), (580, 21838), (610, 20764), (716, 17690), (895, 14152), (1160, 10919), (1220, 10382), (1432, 8845), (1769, 7160), (1790, 7076), (2440, 5191), (3538, 3580)]