25520080

素因数分解:

$2^4\times 5^1\times {\mathrm{319001}}^1$

素因数の和:319014

約数の個数: 20

約数和(自身を含む): 59334372

約数和(自身を除く): 33814292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 319001, 638002, 1276004, 1595005, 2552008, 3190010, 5104016, 6380020, 12760040, 25520080]

約数ペア:

[(1, 25520080), (2, 12760040), (4, 6380020), (5, 5104016), (8, 3190010), (10, 2552008), (16, 1595005), (20, 1276004), (40, 638002), (80, 319001)]