8909080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3219

約数の個数: 32

約数和(自身を含む): 20334240

約数和(自身を除く): 11425160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3137, 6274, 12548, 15685, 25096, 31370, 62740, 125480, 222727, 445454, 890908, 1113635, 1781816, 2227270, 4454540, 8909080]

約数ペア:

[(1, 8909080), (2, 4454540), (4, 2227270), (5, 1781816), (8, 1113635), (10, 890908), (20, 445454), (40, 222727), (71, 125480), (142, 62740), (284, 31370), (355, 25096), (568, 15685), (710, 12548), (1420, 6274), (2840, 3137)]