54397540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{24953}}^1$

素因数の和:25071

約数の個数: 24

約数和(自身を含む): 115287480

約数和(自身を除く): 60889940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 24953, 49906, 99812, 124765, 249530, 499060, 2719877, 5439754, 10879508, 13599385, 27198770, 54397540]

約数ペア:

[(1, 54397540), (2, 27198770), (4, 13599385), (5, 10879508), (10, 5439754), (20, 2719877), (109, 499060), (218, 249530), (436, 124765), (545, 99812), (1090, 49906), (2180, 24953)]