26804920180

素因数分解:

$2^2\times 5^1\times {\mathrm{1340246009}}^1$

素因数の和:1340246018

約数の個数: 12

約数和(自身を含む): 56290332420

約数和(自身を除く): 29485412240

約数列:

[1, 2, 4, 5, 10, 20, 1340246009, 2680492018, 5360984036, 6701230045, 13402460090, 26804920180]

約数ペア:

[(1, 26804920180), (2, 13402460090), (4, 6701230045), (5, 5360984036), (10, 2680492018), (20, 1340246009)]