40680280

素因数分解:

$2^3\times 5^1\times {\mathrm{1017007}}^1$

素因数の和:1017018

約数の個数: 16

約数和(自身を含む): 91530720

約数和(自身を除く): 50850440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1017007, 2034014, 4068028, 5085035, 8136056, 10170070, 20340140, 40680280]

約数ペア:

[(1, 40680280), (2, 20340140), (4, 10170070), (5, 8136056), (8, 5085035), (10, 4068028), (20, 2034014), (40, 1017007)]