81953440

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4787}}^1$

素因数の和:4909

約数の個数: 48

約数和(自身を含む): 195465312

約数和(自身を除く): 113511872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 4787, 8560, 9574, 17120, 19148, 23935, 38296, 47870, 76592, 95740, 153184, 191480, 382960, 512209, 765920, 1024418, 2048836, 2561045, 4097672, 5122090, 8195344, 10244180, 16390688, 20488360, 40976720, 81953440]

約数ペア:

[(1, 81953440), (2, 40976720), (4, 20488360), (5, 16390688), (8, 10244180), (10, 8195344), (16, 5122090), (20, 4097672), (32, 2561045), (40, 2048836), (80, 1024418), (107, 765920), (160, 512209), (214, 382960), (428, 191480), (535, 153184), (856, 95740), (1070, 76592), (1712, 47870), (2140, 38296), (3424, 23935), (4280, 19148), (4787, 17120), (8560, 9574)]