8082020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4111

約数の個数: 24

約数和(自身を含む): 17144568

約数和(自身を除く): 9062548

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4001, 8002, 16004, 20005, 40010, 80020, 404101, 808202, 1616404, 2020505, 4041010, 8082020]

約数ペア:

[(1, 8082020), (2, 4041010), (4, 2020505), (5, 1616404), (10, 808202), (20, 404101), (101, 80020), (202, 40010), (404, 20005), (505, 16004), (1010, 8002), (2020, 4001)]