80665048

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2203}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 158688000

約数和(自身を除く): 78022952

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 199, 398, 796, 1592, 2203, 4406, 4577, 8812, 9154, 17624, 18308, 36616, 50669, 101338, 202676, 405352, 438397, 876794, 1753588, 3507176, 10083131, 20166262, 40332524, 80665048]

約数ペア:

[(1, 80665048), (2, 40332524), (4, 20166262), (8, 10083131), (23, 3507176), (46, 1753588), (92, 876794), (184, 438397), (199, 405352), (398, 202676), (796, 101338), (1592, 50669), (2203, 36616), (4406, 18308), (4577, 17624), (8812, 9154)]