80507260

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4903}}^1$

素因数の和:5733

約数の個数: 24

約数和(自身を含む): 169305696

約数和(自身を除く): 88798436

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 4903, 8210, 9806, 16420, 19612, 24515, 49030, 98060, 4025363, 8050726, 16101452, 20126815, 40253630, 80507260]

約数ペア:

[(1, 80507260), (2, 40253630), (4, 20126815), (5, 16101452), (10, 8050726), (20, 4025363), (821, 98060), (1642, 49030), (3284, 24515), (4105, 19612), (4903, 16420), (8210, 9806)]