808045400

素因数分解:

$2^3\times 5^2\times {\mathrm{4040227}}^1$

素因数の和:4040243

約数の個数: 24

約数和(自身を含む): 1878706020

約数和(自身を除く): 1070660620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 4040227, 8080454, 16160908, 20201135, 32321816, 40402270, 80804540, 101005675, 161609080, 202011350, 404022700, 808045400]

約数ペア:

[(1, 808045400), (2, 404022700), (4, 202011350), (5, 161609080), (8, 101005675), (10, 80804540), (20, 40402270), (25, 32321816), (40, 20201135), (50, 16160908), (100, 8080454), (200, 4040227)]