2878422020

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{861803}}^1$

素因数の和:861979

約数の個数: 24

約数和(自身を含む): 6080889024

約数和(自身を除く): 3202467004

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 861803, 1723606, 3447212, 4309015, 8618030, 17236060, 143921101, 287842202, 575684404, 719605505, 1439211010, 2878422020]

約数ペア:

[(1, 2878422020), (2, 1439211010), (4, 719605505), (5, 575684404), (10, 287842202), (20, 143921101), (167, 17236060), (334, 8618030), (668, 4309015), (835, 3447212), (1670, 1723606), (3340, 861803)]