12339140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56087}}^1$

素因数の和:56107

約数の個数: 24

約数和(自身を含む): 28268352

約数和(自身を除く): 15929212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 56087, 112174, 224348, 280435, 560870, 616957, 1121740, 1233914, 2467828, 3084785, 6169570, 12339140]

約数ペア:

[(1, 12339140), (2, 6169570), (4, 3084785), (5, 2467828), (10, 1233914), (11, 1121740), (20, 616957), (22, 560870), (44, 280435), (55, 224348), (110, 112174), (220, 56087)]