12554680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 29808000

約数和(自身を除く): 17253320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 137, 145, 158, 232, 274, 290, 316, 395, 548, 580, 632, 685, 790, 1096, 1160, 1370, 1580, 2291, 2740, 3160, 3973, 4582, 5480, 7946, 9164, 10823, 11455, 15892, 18328, 19865, 21646, 22910, 31784, 39730, 43292, 45820, 54115, 79460, 86584, 91640, 108230, 158920, 216460, 313867, 432920, 627734, 1255468, 1569335, 2510936, 3138670, 6277340, 12554680]

約数ペア:

[(1, 12554680), (2, 6277340), (4, 3138670), (5, 2510936), (8, 1569335), (10, 1255468), (20, 627734), (29, 432920), (40, 313867), (58, 216460), (79, 158920), (116, 108230), (137, 91640), (145, 86584), (158, 79460), (232, 54115), (274, 45820), (290, 43292), (316, 39730), (395, 31784), (548, 22910), (580, 21646), (632, 19865), (685, 18328), (790, 15892), (1096, 11455), (1160, 10823), (1370, 9164), (1580, 7946), (2291, 5480), (2740, 4582), (3160, 3973)]