804950180

素因数分解:

$2^2\times 5^1\times {\mathrm{40247509}}^1$

素因数の和:40247518

約数の個数: 12

約数和(自身を含む): 1690395420

約数和(自身を除く): 885445240

約数列:

[1, 2, 4, 5, 10, 20, 40247509, 80495018, 160990036, 201237545, 402475090, 804950180]

約数ペア:

[(1, 804950180), (2, 402475090), (4, 201237545), (5, 160990036), (10, 80495018), (20, 40247509)]