80834440

素因数分解:

$2^3\times 5^1\times {\mathrm{2020861}}^1$

素因数の和:2020872

約数の個数: 16

約数和(自身を含む): 181877580

約数和(自身を除く): 101043140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2020861, 4041722, 8083444, 10104305, 16166888, 20208610, 40417220, 80834440]

約数ペア:

[(1, 80834440), (2, 40417220), (4, 20208610), (5, 16166888), (8, 10104305), (10, 8083444), (20, 4041722), (40, 2020861)]