12809740

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{881}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 26968032

約数和(自身を除く): 14158292

約数列:

[1, 2, 4, 5, 10, 20, 727, 881, 1454, 1762, 2908, 3524, 3635, 4405, 7270, 8810, 14540, 17620, 640487, 1280974, 2561948, 3202435, 6404870, 12809740]

約数ペア:

[(1, 12809740), (2, 6404870), (4, 3202435), (5, 2561948), (10, 1280974), (20, 640487), (727, 17620), (881, 14540), (1454, 8810), (1762, 7270), (2908, 4405), (3524, 3635)]