6412820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1031}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 13523328

約数和(自身を除く): 7110508

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1031, 1244, 1555, 2062, 3110, 4124, 5155, 6220, 10310, 20620, 320641, 641282, 1282564, 1603205, 3206410, 6412820]

約数ペア:

[(1, 6412820), (2, 3206410), (4, 1603205), (5, 1282564), (10, 641282), (20, 320641), (311, 20620), (622, 10310), (1031, 6220), (1244, 5155), (1555, 4124), (2062, 3110)]