77760080

素因数分解:

$2^4\times 5^1\times {\mathrm{972001}}^1$

素因数の和:972014

約数の個数: 20

約数和(自身を含む): 180792372

約数和(自身を除く): 103032292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 972001, 1944002, 3888004, 4860005, 7776008, 9720010, 15552016, 19440020, 38880040, 77760080]

約数ペア:

[(1, 77760080), (2, 38880040), (4, 19440020), (5, 15552016), (8, 9720010), (10, 7776008), (16, 4860005), (20, 3888004), (40, 1944002), (80, 972001)]