8940920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2089}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 20314800

約数和(自身を除く): 11373880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2089, 2140, 4178, 4280, 8356, 10445, 16712, 20890, 41780, 83560, 223523, 447046, 894092, 1117615, 1788184, 2235230, 4470460, 8940920]

約数ペア:

[(1, 8940920), (2, 4470460), (4, 2235230), (5, 1788184), (8, 1117615), (10, 894092), (20, 447046), (40, 223523), (107, 83560), (214, 41780), (428, 20890), (535, 16712), (856, 10445), (1070, 8356), (2089, 4280), (2140, 4178)]