559780120

素因数分解:

$2^3\times 5^1\times {\mathrm{13994503}}^1$

素因数の和:13994514

約数の個数: 16

約数和(自身を含む): 1259505360

約数和(自身を除く): 699725240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13994503, 27989006, 55978012, 69972515, 111956024, 139945030, 279890060, 559780120]

約数ペア:

[(1, 559780120), (2, 279890060), (4, 139945030), (5, 111956024), (8, 69972515), (10, 55978012), (20, 27989006), (40, 13994503)]