38398840

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3067}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 86701680

約数和(自身を除く): 48302840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3067, 3130, 6134, 6260, 12268, 12520, 15335, 24536, 30670, 61340, 122680, 959971, 1919942, 3839884, 4799855, 7679768, 9599710, 19199420, 38398840]

約数ペア:

[(1, 38398840), (2, 19199420), (4, 9599710), (5, 7679768), (8, 4799855), (10, 3839884), (20, 1919942), (40, 959971), (313, 122680), (626, 61340), (1252, 30670), (1565, 24536), (2504, 15335), (3067, 12520), (3130, 12268), (6134, 6260)]