8068820

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{919}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 17001600

約数和(自身を除く): 8932780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 919, 1756, 1838, 2195, 3676, 4390, 4595, 8780, 9190, 18380, 403441, 806882, 1613764, 2017205, 4034410, 8068820]

約数ペア:

[(1, 8068820), (2, 4034410), (4, 2017205), (5, 1613764), (10, 806882), (20, 403441), (439, 18380), (878, 9190), (919, 8780), (1756, 4595), (1838, 4390), (2195, 3676)]