65127020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{719}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 156764160

約数和(自身を除く): 91637140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 719, 1294, 1438, 2588, 2876, 3235, 3595, 4529, 5033, 6470, 7190, 9058, 10066, 12940, 14380, 18116, 20132, 22645, 25165, 45290, 50330, 90580, 100660, 465193, 930386, 1860772, 2325965, 3256351, 4651930, 6512702, 9303860, 13025404, 16281755, 32563510, 65127020]

約数ペア:

[(1, 65127020), (2, 32563510), (4, 16281755), (5, 13025404), (7, 9303860), (10, 6512702), (14, 4651930), (20, 3256351), (28, 2325965), (35, 1860772), (70, 930386), (140, 465193), (647, 100660), (719, 90580), (1294, 50330), (1438, 45290), (2588, 25165), (2876, 22645), (3235, 20132), (3595, 18116), (4529, 14380), (5033, 12940), (6470, 10066), (7190, 9058)]