2040696040

素因数分解:

$2^3\times 5^1\times {\mathrm{51017401}}^1$

素因数の和:51017412

約数の個数: 16

約数和(自身を含む): 4591566180

約数和(自身を除く): 2550870140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51017401, 102034802, 204069604, 255087005, 408139208, 510174010, 1020348020, 2040696040]

約数ペア:

[(1, 2040696040), (2, 1020348020), (4, 510174010), (5, 408139208), (8, 255087005), (10, 204069604), (20, 102034802), (40, 51017401)]