988894040

素因数分解:

$2^3\times 5^1\times {\mathrm{24722351}}^1$

素因数の和:24722362

約数の個数: 16

約数和(自身を含む): 2225011680

約数和(自身を除く): 1236117640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 24722351, 49444702, 98889404, 123611755, 197778808, 247223510, 494447020, 988894040]

約数ペア:

[(1, 988894040), (2, 494447020), (4, 247223510), (5, 197778808), (8, 123611755), (10, 98889404), (20, 49444702), (40, 24722351)]