65996360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8291}}^1$

素因数の和:8501

約数の個数: 32

約数和(自身を含む): 149256000

約数和(自身を除く): 83259640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 8291, 16582, 33164, 41455, 66328, 82910, 165820, 331640, 1649909, 3299818, 6599636, 8249545, 13199272, 16499090, 32998180, 65996360]

約数ペア:

[(1, 65996360), (2, 32998180), (4, 16499090), (5, 13199272), (8, 8249545), (10, 6599636), (20, 3299818), (40, 1649909), (199, 331640), (398, 165820), (796, 82910), (995, 66328), (1592, 41455), (1990, 33164), (3980, 16582), (7960, 8291)]