2680784

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1418

約数の個数: 20

約数和(自身を含む): 5237760

約数和(自身を除く): 2556976

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 1279, 2096, 2558, 5116, 10232, 20464, 167549, 335098, 670196, 1340392, 2680784]

約数ペア:

[(1, 2680784), (2, 1340392), (4, 670196), (8, 335098), (16, 167549), (131, 20464), (262, 10232), (524, 5116), (1048, 2558), (1279, 2096)]