2056556560

素因数分解:

$2^4\times 5^1\times {\mathrm{25706957}}^1$

素因数の和:25706970

約数の個数: 20

約数和(自身を含む): 4781494188

約数和(自身を除く): 2724937628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25706957, 51413914, 102827828, 128534785, 205655656, 257069570, 411311312, 514139140, 1028278280, 2056556560]

約数ペア:

[(1, 2056556560), (2, 1028278280), (4, 514139140), (5, 411311312), (8, 257069570), (10, 205655656), (16, 128534785), (20, 102827828), (40, 51413914), (80, 25706957)]