28229560

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5557}}^1$

素因数の和:5695

約数の個数: 32

約数和(自身を含む): 64028160

約数和(自身を除く): 35798600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 5557, 11114, 22228, 27785, 44456, 55570, 111140, 222280, 705739, 1411478, 2822956, 3528695, 5645912, 7057390, 14114780, 28229560]

約数ペア:

[(1, 28229560), (2, 14114780), (4, 7057390), (5, 5645912), (8, 3528695), (10, 2822956), (20, 1411478), (40, 705739), (127, 222280), (254, 111140), (508, 55570), (635, 44456), (1016, 27785), (1270, 22228), (2540, 11114), (5080, 5557)]