156949150180

素因数分解:

$2^2\times 5^1\times {\mathrm{7847457509}}^1$

素因数の和:7847457518

約数の個数: 12

約数和(自身を含む): 329593215420

約数和(自身を除く): 172644065240

約数列:

[1, 2, 4, 5, 10, 20, 7847457509, 15694915018, 31389830036, 39237287545, 78474575090, 156949150180]

約数ペア:

[(1, 156949150180), (2, 78474575090), (4, 39237287545), (5, 31389830036), (10, 15694915018), (20, 7847457509)]