220173560

素因数分解:

$2^3\times 5^1\times {\mathrm{5504339}}^1$

素因数の和:5504350

約数の個数: 16

約数和(自身を含む): 495390600

約数和(自身を除く): 275217040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5504339, 11008678, 22017356, 27521695, 44034712, 55043390, 110086780, 220173560]

約数ペア:

[(1, 220173560), (2, 110086780), (4, 55043390), (5, 44034712), (8, 27521695), (10, 22017356), (20, 11008678), (40, 5504339)]