194400520

素因数分解:

$2^3\times 5^1\times {\mathrm{4860013}}^1$

素因数の和:4860024

約数の個数: 16

約数和(自身を含む): 437401260

約数和(自身を除く): 243000740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4860013, 9720026, 19440052, 24300065, 38880104, 48600130, 97200260, 194400520]

約数ペア:

[(1, 194400520), (2, 97200260), (4, 48600130), (5, 38880104), (8, 24300065), (10, 19440052), (20, 9720026), (40, 4860013)]