80605640

素因数分解:

$2^3\times 5^1\times {\mathrm{2015141}}^1$

素因数の和:2015152

約数の個数: 16

約数和(自身を含む): 181362780

約数和(自身を除く): 100757140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2015141, 4030282, 8060564, 10075705, 16121128, 20151410, 40302820, 80605640]

約数ペア:

[(1, 80605640), (2, 40302820), (4, 20151410), (5, 16121128), (8, 10075705), (10, 8060564), (20, 4030282), (40, 2015141)]