84747725

素因数分解:

$5^2\times {\mathrm{821}}^1\times {\mathrm{4129}}^1$

素因数の和:4960

約数の個数: 12

約数和(自身を含む): 105240660

約数和(自身を除く): 20492935

約数列:

[1, 5, 25, 821, 4105, 4129, 20525, 20645, 103225, 3389909, 16949545, 84747725]

約数ペア:

[(1, 84747725), (5, 16949545), (25, 3389909), (821, 103225), (4105, 20645), (4129, 20525)]