551260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 1186416

約数和(自身を除く): 635156

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 641, 860, 1282, 2564, 3205, 6410, 12820, 27563, 55126, 110252, 137815, 275630, 551260]

約数ペア:

[(1, 551260), (2, 275630), (4, 137815), (5, 110252), (10, 55126), (20, 27563), (43, 12820), (86, 6410), (172, 3205), (215, 2564), (430, 1282), (641, 860)]