8926280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20287}}^1$

素因数の和:20309

約数の個数: 32

約数和(自身を含む): 21911040

約数和(自身を除く): 12984760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20287, 40574, 81148, 101435, 162296, 202870, 223157, 405740, 446314, 811480, 892628, 1115785, 1785256, 2231570, 4463140, 8926280]

約数ペア:

[(1, 8926280), (2, 4463140), (4, 2231570), (5, 1785256), (8, 1115785), (10, 892628), (11, 811480), (20, 446314), (22, 405740), (40, 223157), (44, 202870), (55, 162296), (88, 101435), (110, 81148), (220, 40574), (440, 20287)]