51049780

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3109}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 107369640

約数和(自身を除く): 56319860

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3109, 3284, 4105, 6218, 8210, 12436, 15545, 16420, 31090, 62180, 2552489, 5104978, 10209956, 12762445, 25524890, 51049780]

約数ペア:

[(1, 51049780), (2, 25524890), (4, 12762445), (5, 10209956), (10, 5104978), (20, 2552489), (821, 62180), (1642, 31090), (3109, 16420), (3284, 15545), (4105, 12436), (6218, 8210)]