4428740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2803}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 9421440

約数和(自身を除く): 4992700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2803, 5606, 11212, 14015, 28030, 56060, 221437, 442874, 885748, 1107185, 2214370, 4428740]

約数ペア:

[(1, 4428740), (2, 2214370), (4, 1107185), (5, 885748), (10, 442874), (20, 221437), (79, 56060), (158, 28030), (316, 14015), (395, 11212), (790, 5606), (1580, 2803)]