8801420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2803}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 18607344

約数和(自身を除く): 9805924

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2803, 3140, 5606, 11212, 14015, 28030, 56060, 440071, 880142, 1760284, 2200355, 4400710, 8801420]

約数ペア:

[(1, 8801420), (2, 4400710), (4, 2200355), (5, 1760284), (10, 880142), (20, 440071), (157, 56060), (314, 28030), (628, 14015), (785, 11212), (1570, 5606), (2803, 3140)]