28227220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201623}}^1$

素因数の和:201639

約数の個数: 24

約数和(自身を含む): 67745664

約数和(自身を除く): 39518444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201623, 403246, 806492, 1008115, 1411361, 2016230, 2822722, 4032460, 5645444, 7056805, 14113610, 28227220]

約数ペア:

[(1, 28227220), (2, 14113610), (4, 7056805), (5, 5645444), (7, 4032460), (10, 2822722), (14, 2016230), (20, 1411361), (28, 1008115), (35, 806492), (70, 403246), (140, 201623)]