199653560

素因数分解:

$2^3\times 5^1\times {\mathrm{4991339}}^1$

素因数の和:4991350

約数の個数: 16

約数和(自身を含む): 449220600

約数和(自身を除く): 249567040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4991339, 9982678, 19965356, 24956695, 39930712, 49913390, 99826780, 199653560]

約数ペア:

[(1, 199653560), (2, 99826780), (4, 49913390), (5, 39930712), (8, 24956695), (10, 19965356), (20, 9982678), (40, 4991339)]