40402900

素因数分解:

$2^2\times 5^2\times {\mathrm{404029}}^1$

素因数の和:404043

約数の個数: 18

約数和(自身を含む): 87674510

約数和(自身を除く): 47271610

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 404029, 808058, 1616116, 2020145, 4040290, 8080580, 10100725, 20201450, 40402900]

約数ペア:

[(1, 40402900), (2, 20201450), (4, 10100725), (5, 8080580), (10, 4040290), (20, 2020145), (25, 1616116), (50, 808058), (100, 404029)]