8732120

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1097}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 19764000

約数和(自身を除く): 11031880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1097, 1592, 1990, 2194, 3980, 4388, 5485, 7960, 8776, 10970, 21940, 43880, 218303, 436606, 873212, 1091515, 1746424, 2183030, 4366060, 8732120]

約数ペア:

[(1, 8732120), (2, 4366060), (4, 2183030), (5, 1746424), (8, 1091515), (10, 873212), (20, 436606), (40, 218303), (199, 43880), (398, 21940), (796, 10970), (995, 8776), (1097, 7960), (1592, 5485), (1990, 4388), (2194, 3980)]