2662820

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 5627328

約数和(自身を除く): 2964508

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 631, 844, 1055, 1262, 2110, 2524, 3155, 4220, 6310, 12620, 133141, 266282, 532564, 665705, 1331410, 2662820]

約数ペア:

[(1, 2662820), (2, 1331410), (4, 665705), (5, 532564), (10, 266282), (20, 133141), (211, 12620), (422, 6310), (631, 4220), (844, 3155), (1055, 2524), (1262, 2110)]