1288841620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5858371}}^1$

素因数の和:5858391

約数の個数: 24

約数和(自身を含む): 2952619488

約数和(自身を除く): 1663777868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5858371, 11716742, 23433484, 29291855, 58583710, 64442081, 117167420, 128884162, 257768324, 322210405, 644420810, 1288841620]

約数ペア:

[(1, 1288841620), (2, 644420810), (4, 322210405), (5, 257768324), (10, 128884162), (11, 117167420), (20, 64442081), (22, 58583710), (44, 29291855), (55, 23433484), (110, 11716742), (220, 5858371)]