61878220

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{6353}}^1$

素因数の和:6849

約数の個数: 24

約数和(自身を含む): 130231584

約数和(自身を除く): 68353364

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 6353, 9740, 12706, 25412, 31765, 63530, 127060, 3093911, 6187822, 12375644, 15469555, 30939110, 61878220]

約数ペア:

[(1, 61878220), (2, 30939110), (4, 15469555), (5, 12375644), (10, 6187822), (20, 3093911), (487, 127060), (974, 63530), (1948, 31765), (2435, 25412), (4870, 12706), (6353, 9740)]