8542220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4799}}^1$

素因数の和:4897

約数の個数: 24

約数和(自身を含む): 18144000

約数和(自身を除く): 9601780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4799, 9598, 19196, 23995, 47990, 95980, 427111, 854222, 1708444, 2135555, 4271110, 8542220]

約数ペア:

[(1, 8542220), (2, 4271110), (4, 2135555), (5, 1708444), (10, 854222), (20, 427111), (89, 95980), (178, 47990), (356, 23995), (445, 19196), (890, 9598), (1780, 4799)]