13455080

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1279}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 16957720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1279, 1315, 2104, 2558, 2630, 5116, 5260, 6395, 10232, 10520, 12790, 25580, 51160, 336377, 672754, 1345508, 1681885, 2691016, 3363770, 6727540, 13455080]

約数ペア:

[(1, 13455080), (2, 6727540), (4, 3363770), (5, 2691016), (8, 1681885), (10, 1345508), (20, 672754), (40, 336377), (263, 51160), (526, 25580), (1052, 12790), (1279, 10520), (1315, 10232), (2104, 6395), (2558, 5260), (2630, 5116)]