1827805940

素因数分解:

$2^2\times 5^1\times {\mathrm{4447}}^1\times {\mathrm{20551}}^1$

素因数の和:25007

約数の個数: 24

約数和(自身を含む): 3839442432

約数和(自身を除く): 2011636492

約数列:

[1, 2, 4, 5, 10, 20, 4447, 8894, 17788, 20551, 22235, 41102, 44470, 82204, 88940, 102755, 205510, 411020, 91390297, 182780594, 365561188, 456951485, 913902970, 1827805940]

約数ペア:

[(1, 1827805940), (2, 913902970), (4, 456951485), (5, 365561188), (10, 182780594), (20, 91390297), (4447, 411020), (8894, 205510), (17788, 102755), (20551, 88940), (22235, 82204), (41102, 44470)]