61586420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439903}}^1$

素因数の和:439919

約数の個数: 24

約数和(自身を含む): 147807744

約数和(自身を除く): 86221324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439903, 879806, 1759612, 2199515, 3079321, 4399030, 6158642, 8798060, 12317284, 15396605, 30793210, 61586420]

約数ペア:

[(1, 61586420), (2, 30793210), (4, 15396605), (5, 12317284), (7, 8798060), (10, 6158642), (14, 4399030), (20, 3079321), (28, 2199515), (35, 1759612), (70, 879806), (140, 439903)]