89965180

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5479}}^1$

素因数の和:6309

約数の個数: 24

約数和(自身を含む): 189191520

約数和(自身を除く): 99226340

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 5479, 8210, 10958, 16420, 21916, 27395, 54790, 109580, 4498259, 8996518, 17993036, 22491295, 44982590, 89965180]

約数ペア:

[(1, 89965180), (2, 44982590), (4, 22491295), (5, 17993036), (10, 8996518), (20, 4498259), (821, 109580), (1642, 54790), (3284, 27395), (4105, 21916), (5479, 16420), (8210, 10958)]