12606740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 27542592

約数和(自身を除く): 14935852

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 137, 172, 214, 215, 274, 428, 430, 535, 548, 685, 860, 1070, 1370, 2140, 2740, 4601, 5891, 9202, 11782, 14659, 18404, 23005, 23564, 29318, 29455, 46010, 58636, 58910, 73295, 92020, 117820, 146590, 293180, 630337, 1260674, 2521348, 3151685, 6303370, 12606740]

約数ペア:

[(1, 12606740), (2, 6303370), (4, 3151685), (5, 2521348), (10, 1260674), (20, 630337), (43, 293180), (86, 146590), (107, 117820), (137, 92020), (172, 73295), (214, 58910), (215, 58636), (274, 46010), (428, 29455), (430, 29318), (535, 23564), (548, 23005), (685, 18404), (860, 14659), (1070, 11782), (1370, 9202), (2140, 5891), (2740, 4601)]