201392080

素因数分解:

$2^4\times 5^1\times {\mathrm{2517401}}^1$

素因数の和:2517414

約数の個数: 20

約数和(自身を含む): 468236772

約数和(自身を除く): 266844692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2517401, 5034802, 10069604, 12587005, 20139208, 25174010, 40278416, 50348020, 100696040, 201392080]

約数ペア:

[(1, 201392080), (2, 100696040), (4, 50348020), (5, 40278416), (8, 25174010), (10, 20139208), (16, 12587005), (20, 10069604), (40, 5034802), (80, 2517401)]