80108840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{286103}}^1$

素因数の和:286121

約数の個数: 32

約数和(自身を含む): 205994880

約数和(自身を除く): 125886040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 286103, 572206, 1144412, 1430515, 2002721, 2288824, 2861030, 4005442, 5722060, 8010884, 10013605, 11444120, 16021768, 20027210, 40054420, 80108840]

約数ペア:

[(1, 80108840), (2, 40054420), (4, 20027210), (5, 16021768), (7, 11444120), (8, 10013605), (10, 8010884), (14, 5722060), (20, 4005442), (28, 2861030), (35, 2288824), (40, 2002721), (56, 1430515), (70, 1144412), (140, 572206), (280, 286103)]