80809880

素因数分解:

$2^3\times 5^1\times {\mathrm{2020247}}^1$

素因数の和:2020258

約数の個数: 16

約数和(自身を含む): 181822320

約数和(自身を除く): 101012440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2020247, 4040494, 8080988, 10101235, 16161976, 20202470, 40404940, 80809880]

約数ペア:

[(1, 80809880), (2, 40404940), (4, 20202470), (5, 16161976), (8, 10101235), (10, 8080988), (20, 4040494), (40, 2020247)]