20161115560

素因数分解:

$2^3\times 5^1\times {\mathrm{504027889}}^1$

素因数の和:504027900

約数の個数: 16

約数和(自身を含む): 45362510100

約数和(自身を除く): 25201394540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504027889, 1008055778, 2016111556, 2520139445, 4032223112, 5040278890, 10080557780, 20161115560]

約数ペア:

[(1, 20161115560), (2, 10080557780), (4, 5040278890), (5, 4032223112), (8, 2520139445), (10, 2016111556), (20, 1008055778), (40, 504027889)]