2157800

素因数分解:

$2^3\times 5^2\times {\mathrm{10789}}^1$

素因数の和:10805

約数の個数: 24

約数和(自身を含む): 5017350

約数和(自身を除く): 2859550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10789, 21578, 43156, 53945, 86312, 107890, 215780, 269725, 431560, 539450, 1078900, 2157800]

約数ペア:

[(1, 2157800), (2, 1078900), (4, 539450), (5, 431560), (8, 269725), (10, 215780), (20, 107890), (25, 86312), (40, 53945), (50, 43156), (100, 21578), (200, 10789)]