2017280080

素因数分解:

$2^4\times 5^1\times {\mathrm{25216001}}^1$

素因数の和:25216014

約数の個数: 20

約数和(自身を含む): 4690176372

約数和(自身を除く): 2672896292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25216001, 50432002, 100864004, 126080005, 201728008, 252160010, 403456016, 504320020, 1008640040, 2017280080]

約数ペア:

[(1, 2017280080), (2, 1008640040), (4, 504320020), (5, 403456016), (8, 252160010), (10, 201728008), (16, 126080005), (20, 100864004), (40, 50432002), (80, 25216001)]