2019012080

素因数分解:

$2^4\times 5^1\times {\mathrm{25237651}}^1$

素因数の和:25237664

約数の個数: 20

約数和(自身を含む): 4694203272

約数和(自身を除く): 2675191192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25237651, 50475302, 100950604, 126188255, 201901208, 252376510, 403802416, 504753020, 1009506040, 2019012080]

約数ペア:

[(1, 2019012080), (2, 1009506040), (4, 504753020), (5, 403802416), (8, 252376510), (10, 201901208), (16, 126188255), (20, 100950604), (40, 50475302), (80, 25237651)]