581382020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{266689}}^1$

素因数の和:266807

約数の個数: 24

約数和(自身を含む): 1232107800

約数和(自身を除く): 650725780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 266689, 533378, 1066756, 1333445, 2666890, 5333780, 29069101, 58138202, 116276404, 145345505, 290691010, 581382020]

約数ペア:

[(1, 581382020), (2, 290691010), (4, 145345505), (5, 116276404), (10, 58138202), (20, 29069101), (109, 5333780), (218, 2666890), (436, 1333445), (545, 1066756), (1090, 533378), (2180, 266689)]