28468240

素因数分解:

$2^4\times 5^1\times {\mathrm{355853}}^1$

素因数の和:355866

約数の個数: 20

約数和(自身を含む): 66188844

約数和(自身を除く): 37720604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355853, 711706, 1423412, 1779265, 2846824, 3558530, 5693648, 7117060, 14234120, 28468240]

約数ペア:

[(1, 28468240), (2, 14234120), (4, 7117060), (5, 5693648), (8, 3558530), (10, 2846824), (16, 1779265), (20, 1423412), (40, 711706), (80, 355853)]