27280180

素因数分解:

$2^2\times 5^1\times {\mathrm{1364009}}^1$

素因数の和:1364018

約数の個数: 12

約数和(自身を含む): 57288420

約数和(自身を除く): 30008240

約数列:

[1, 2, 4, 5, 10, 20, 1364009, 2728018, 5456036, 6820045, 13640090, 27280180]

約数ペア:

[(1, 27280180), (2, 13640090), (4, 6820045), (5, 5456036), (10, 2728018), (20, 1364009)]