40984820

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3187}}^1$

素因数の和:3839

約数の個数: 24

約数和(自身を含む): 86229024

約数和(自身を除く): 45244204

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3187, 3215, 6374, 6430, 12748, 12860, 15935, 31870, 63740, 2049241, 4098482, 8196964, 10246205, 20492410, 40984820]

約数ペア:

[(1, 40984820), (2, 20492410), (4, 10246205), (5, 8196964), (10, 4098482), (20, 2049241), (643, 63740), (1286, 31870), (2572, 15935), (3187, 12860), (3215, 12748), (6374, 6430)]