87840620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{627433}}^1$

素因数の和:627449

約数の個数: 24

約数和(自身を含む): 210817824

約数和(自身を除く): 122977204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 627433, 1254866, 2509732, 3137165, 4392031, 6274330, 8784062, 12548660, 17568124, 21960155, 43920310, 87840620]

約数ペア:

[(1, 87840620), (2, 43920310), (4, 21960155), (5, 17568124), (7, 12548660), (10, 8784062), (14, 6274330), (20, 4392031), (28, 3137165), (35, 2509732), (70, 1254866), (140, 627433)]