39120080

素因数分解:

$2^4\times 5^1\times {\mathrm{489001}}^1$

素因数の和:489014

約数の個数: 20

約数和(自身を含む): 90954372

約数和(自身を除く): 51834292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489001, 978002, 1956004, 2445005, 3912008, 4890010, 7824016, 9780020, 19560040, 39120080]

約数ペア:

[(1, 39120080), (2, 19560040), (4, 9780020), (5, 7824016), (8, 4890010), (10, 3912008), (16, 2445005), (20, 1956004), (40, 978002), (80, 489001)]