40807779280

素因数分解:

$2^4\times 5^1\times {\mathrm{510097241}}^1$

素因数の和:510097254

約数の個数: 20

約数和(自身を含む): 94878087012

約数和(自身を除く): 54070307732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510097241, 1020194482, 2040388964, 2550486205, 4080777928, 5100972410, 8161555856, 10201944820, 20403889640, 40807779280]

約数ペア:

[(1, 40807779280), (2, 20403889640), (4, 10201944820), (5, 8161555856), (8, 5100972410), (10, 4080777928), (16, 2550486205), (20, 2040388964), (40, 1020194482), (80, 510097241)]