51080500

素因数分解:

$2^2\times 5^3\times {\mathrm{102161}}^1$

素因数の和:102180

約数の個数: 24

約数和(自身を含む): 111560904

約数和(自身を除く): 60480404

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 102161, 204322, 408644, 510805, 1021610, 2043220, 2554025, 5108050, 10216100, 12770125, 25540250, 51080500]

約数ペア:

[(1, 51080500), (2, 25540250), (4, 12770125), (5, 10216100), (10, 5108050), (20, 2554025), (25, 2043220), (50, 1021610), (100, 510805), (125, 408644), (250, 204322), (500, 102161)]