12864400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1156

約数の個数: 60

約数和(自身を含む): 32001300

約数和(自身を除く): 19136900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1109, 1160, 1450, 2218, 2320, 2900, 4436, 5545, 5800, 8872, 11090, 11600, 17744, 22180, 27725, 32161, 44360, 55450, 64322, 88720, 110900, 128644, 160805, 221800, 257288, 321610, 443600, 514576, 643220, 804025, 1286440, 1608050, 2572880, 3216100, 6432200, 12864400]

約数ペア:

[(1, 12864400), (2, 6432200), (4, 3216100), (5, 2572880), (8, 1608050), (10, 1286440), (16, 804025), (20, 643220), (25, 514576), (29, 443600), (40, 321610), (50, 257288), (58, 221800), (80, 160805), (100, 128644), (116, 110900), (145, 88720), (200, 64322), (232, 55450), (290, 44360), (400, 32161), (464, 27725), (580, 22180), (725, 17744), (1109, 11600), (1160, 11090), (1450, 8872), (2218, 5800), (2320, 5545), (2900, 4436)]