19688480080

素因数分解:

$2^4\times 5^1\times {\mathrm{246106001}}^1$

素因数の和:246106014

約数の個数: 20

約数和(自身を含む): 45775716372

約数和(自身を除く): 26087236292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 246106001, 492212002, 984424004, 1230530005, 1968848008, 2461060010, 3937696016, 4922120020, 9844240040, 19688480080]

約数ペア:

[(1, 19688480080), (2, 9844240040), (4, 4922120020), (5, 3937696016), (8, 2461060010), (10, 1968848008), (16, 1230530005), (20, 984424004), (40, 492212002), (80, 246106001)]