39931780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285227}}^1$

素因数の和:285243

約数の個数: 24

約数和(自身を含む): 95836608

約数和(自身を除く): 55904828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285227, 570454, 1140908, 1426135, 1996589, 2852270, 3993178, 5704540, 7986356, 9982945, 19965890, 39931780]

約数ペア:

[(1, 39931780), (2, 19965890), (4, 9982945), (5, 7986356), (7, 5704540), (10, 3993178), (14, 2852270), (20, 1996589), (28, 1426135), (35, 1140908), (70, 570454), (140, 285227)]