27430090

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20939}}^1$

素因数の和:21077

約数の個数: 16

約数和(自身を含む): 49753440

約数和(自身を除く): 22323350

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 20939, 41878, 104695, 209390, 2743009, 5486018, 13715045, 27430090]

約数ペア:

[(1, 27430090), (2, 13715045), (5, 5486018), (10, 2743009), (131, 209390), (262, 104695), (655, 41878), (1310, 20939)]