80080340

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4877}}^1$

素因数の和:5707

約数の個数: 24

約数和(自身を含む): 168408072

約数和(自身を除く): 88327732

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 4877, 8210, 9754, 16420, 19508, 24385, 48770, 97540, 4004017, 8008034, 16016068, 20020085, 40040170, 80080340]

約数ペア:

[(1, 80080340), (2, 40040170), (4, 20020085), (5, 16016068), (10, 8008034), (20, 4004017), (821, 97540), (1642, 48770), (3284, 24385), (4105, 19508), (4877, 16420), (8210, 9754)]