10806820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28439}}^1$

素因数の和:28467

約数の個数: 24

約数和(自身を含む): 23889600

約数和(自身を除く): 13082780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 28439, 56878, 113756, 142195, 284390, 540341, 568780, 1080682, 2161364, 2701705, 5403410, 10806820]

約数ペア:

[(1, 10806820), (2, 5403410), (4, 2701705), (5, 2161364), (10, 1080682), (19, 568780), (20, 540341), (38, 284390), (76, 142195), (95, 113756), (190, 56878), (380, 28439)]