2078480080

素因数分解:

$2^4\times 5^1\times {\mathrm{25981001}}^1$

素因数の和:25981014

約数の個数: 20

約数和(自身を含む): 4832466372

約数和(自身を除く): 2753986292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25981001, 51962002, 103924004, 129905005, 207848008, 259810010, 415696016, 519620020, 1039240040, 2078480080]

約数ペア:

[(1, 2078480080), (2, 1039240040), (4, 519620020), (5, 415696016), (8, 259810010), (10, 207848008), (16, 129905005), (20, 103924004), (40, 51962002), (80, 25981001)]