13565540

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2579}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 28607040

約数和(自身を除く): 15041500

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2579, 2630, 5158, 5260, 10316, 12895, 25790, 51580, 678277, 1356554, 2713108, 3391385, 6782770, 13565540]

約数ペア:

[(1, 13565540), (2, 6782770), (4, 3391385), (5, 2713108), (10, 1356554), (20, 678277), (263, 51580), (526, 25790), (1052, 12895), (1315, 10316), (2579, 5260), (2630, 5158)]