12406540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8737}}^1$

素因数の和:8817

約数の個数: 24

約数和(自身を含む): 26423712

約数和(自身を除く): 14017172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8737, 17474, 34948, 43685, 87370, 174740, 620327, 1240654, 2481308, 3101635, 6203270, 12406540]

約数ペア:

[(1, 12406540), (2, 6203270), (4, 3101635), (5, 2481308), (10, 1240654), (20, 620327), (71, 174740), (142, 87370), (284, 43685), (355, 34948), (710, 17474), (1420, 8737)]