2583580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 5483520

約数和(自身を除く): 2899940

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1279, 2020, 2558, 5116, 6395, 12790, 25580, 129179, 258358, 516716, 645895, 1291790, 2583580]

約数ペア:

[(1, 2583580), (2, 1291790), (4, 645895), (5, 516716), (10, 258358), (20, 129179), (101, 25580), (202, 12790), (404, 6395), (505, 5116), (1010, 2558), (1279, 2020)]