809366980

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{47111}}^1$

素因数の和:47979

約数の個数: 24

約数和(自身を含む): 1701685440

約数和(自身を除く): 892318460

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 8590, 17180, 47111, 94222, 188444, 235555, 471110, 942220, 40468349, 80936698, 161873396, 202341745, 404683490, 809366980]

約数ペア:

[(1, 809366980), (2, 404683490), (4, 202341745), (5, 161873396), (10, 80936698), (20, 40468349), (859, 942220), (1718, 471110), (3436, 235555), (4295, 188444), (8590, 94222), (17180, 47111)]