80528068820

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{3704143}}^1$

素因数の和:3705239

約数の個数: 24

約数和(自身を含む): 169264564224

約数和(自身を除く): 88736495404

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 4348, 5435, 10870, 21740, 3704143, 7408286, 14816572, 18520715, 37041430, 74082860, 4026403441, 8052806882, 16105613764, 20132017205, 40264034410, 80528068820]

約数ペア:

[(1, 80528068820), (2, 40264034410), (4, 20132017205), (5, 16105613764), (10, 8052806882), (20, 4026403441), (1087, 74082860), (2174, 37041430), (4348, 18520715), (5435, 14816572), (10870, 7408286), (21740, 3704143)]