11680280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4787}}^1$

素因数の和:4859

約数の個数: 32

約数和(自身を含む): 26717040

約数和(自身を除く): 15036760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4787, 9574, 19148, 23935, 38296, 47870, 95740, 191480, 292007, 584014, 1168028, 1460035, 2336056, 2920070, 5840140, 11680280]

約数ペア:

[(1, 11680280), (2, 5840140), (4, 2920070), (5, 2336056), (8, 1460035), (10, 1168028), (20, 584014), (40, 292007), (61, 191480), (122, 95740), (244, 47870), (305, 38296), (488, 23935), (610, 19148), (1220, 9574), (2440, 4787)]