6437540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2953}}^1$

素因数の和:3071

約数の個数: 24

約数和(自身を含む): 13647480

約数和(自身を除く): 7209940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2953, 5906, 11812, 14765, 29530, 59060, 321877, 643754, 1287508, 1609385, 3218770, 6437540]

約数ペア:

[(1, 6437540), (2, 3218770), (4, 1609385), (5, 1287508), (10, 643754), (20, 321877), (109, 59060), (218, 29530), (436, 14765), (545, 11812), (1090, 5906), (2180, 2953)]