8233640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4787}}^1$

素因数の和:4841

約数の個数: 32

約数和(自身を含む): 18960480

約数和(自身を除く): 10726840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4787, 9574, 19148, 23935, 38296, 47870, 95740, 191480, 205841, 411682, 823364, 1029205, 1646728, 2058410, 4116820, 8233640]

約数ペア:

[(1, 8233640), (2, 4116820), (4, 2058410), (5, 1646728), (8, 1029205), (10, 823364), (20, 411682), (40, 205841), (43, 191480), (86, 95740), (172, 47870), (215, 38296), (344, 23935), (430, 19148), (860, 9574), (1720, 4787)]