81120620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{579433}}^1$

素因数の和:579449

約数の個数: 24

約数和(自身を含む): 194689824

約数和(自身を除く): 113569204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 579433, 1158866, 2317732, 2897165, 4056031, 5794330, 8112062, 11588660, 16224124, 20280155, 40560310, 81120620]

約数ペア:

[(1, 81120620), (2, 40560310), (4, 20280155), (5, 16224124), (7, 11588660), (10, 8112062), (14, 5794330), (20, 4056031), (28, 2897165), (35, 2317732), (70, 1158866), (140, 579433)]