826622960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20959}}^1$

素因数の和:21018

約数の個数: 80

約数和(自身を含む): 2105222400

約数和(自身を除く): 1278599440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2320, 2465, 3944, 4930, 7888, 9860, 19720, 20959, 39440, 41918, 83836, 104795, 167672, 209590, 335344, 356303, 419180, 607811, 712606, 838360, 1215622, 1425212, 1676720, 1781515, 2431244, 2850424, 3039055, 3563030, 4862488, 5700848, 6078110, 7126060, 9724976, 10332787, 12156220, 14252120, 20665574, 24312440, 28504240, 41331148, 48624880, 51663935, 82662296, 103327870, 165324592, 206655740, 413311480, 826622960]

約数ペア:

[(1, 826622960), (2, 413311480), (4, 206655740), (5, 165324592), (8, 103327870), (10, 82662296), (16, 51663935), (17, 48624880), (20, 41331148), (29, 28504240), (34, 24312440), (40, 20665574), (58, 14252120), (68, 12156220), (80, 10332787), (85, 9724976), (116, 7126060), (136, 6078110), (145, 5700848), (170, 4862488), (232, 3563030), (272, 3039055), (290, 2850424), (340, 2431244), (464, 1781515), (493, 1676720), (580, 1425212), (680, 1215622), (986, 838360), (1160, 712606), (1360, 607811), (1972, 419180), (2320, 356303), (2465, 335344), (3944, 209590), (4930, 167672), (7888, 104795), (9860, 83836), (19720, 41918), (20959, 39440)]