10905640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2647}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 24785280

約数和(自身を除く): 13879640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2647, 4120, 5294, 10588, 13235, 21176, 26470, 52940, 105880, 272641, 545282, 1090564, 1363205, 2181128, 2726410, 5452820, 10905640]

約数ペア:

[(1, 10905640), (2, 5452820), (4, 2726410), (5, 2181128), (8, 1363205), (10, 1090564), (20, 545282), (40, 272641), (103, 105880), (206, 52940), (412, 26470), (515, 21176), (824, 13235), (1030, 10588), (2060, 5294), (2647, 4120)]