2078382025

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{821}}^1\times {\mathrm{929}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 2606808600

約数和(自身を除く): 528426575

約数列:

[1, 5, 25, 109, 545, 821, 929, 2725, 4105, 4645, 20525, 23225, 89489, 101261, 447445, 506305, 762709, 2237225, 2531525, 3813545, 19067725, 83135281, 415676405, 2078382025]

約数ペア:

[(1, 2078382025), (5, 415676405), (25, 83135281), (109, 19067725), (545, 3813545), (821, 2531525), (929, 2237225), (2725, 762709), (4105, 506305), (4645, 447445), (20525, 101261), (23225, 89489)]