808291205560

素因数分解:

$2^3\times 5^1\times {\mathrm{20207280139}}^1$

素因数の和:20207280150

約数の個数: 16

約数和(自身を含む): 1818655212600

約数和(自身を除く): 1010364007040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20207280139, 40414560278, 80829120556, 101036400695, 161658241112, 202072801390, 404145602780, 808291205560]

約数ペア:

[(1, 808291205560), (2, 404145602780), (4, 202072801390), (5, 161658241112), (8, 101036400695), (10, 80829120556), (20, 40414560278), (40, 20207280139)]