21601292080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{91811}}^1$

素因数の和:92014

約数の個数: 80

約数和(自身を含む): 53485264224

約数和(自身を除く): 31883972144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 340, 346, 680, 692, 865, 1360, 1384, 1730, 2768, 2941, 3460, 5882, 6920, 11764, 13840, 14705, 23528, 29410, 47056, 58820, 91811, 117640, 183622, 235280, 367244, 459055, 734488, 918110, 1468976, 1560787, 1836220, 3121574, 3672440, 6243148, 7344880, 7803935, 12486296, 15607870, 15883303, 24972592, 31215740, 31766606, 62431480, 63533212, 79416515, 124862960, 127066424, 158833030, 254132848, 270016151, 317666060, 540032302, 635332120, 1080064604, 1270664240, 1350080755, 2160129208, 2700161510, 4320258416, 5400323020, 10800646040, 21601292080]

約数ペア:

[(1, 21601292080), (2, 10800646040), (4, 5400323020), (5, 4320258416), (8, 2700161510), (10, 2160129208), (16, 1350080755), (17, 1270664240), (20, 1080064604), (34, 635332120), (40, 540032302), (68, 317666060), (80, 270016151), (85, 254132848), (136, 158833030), (170, 127066424), (173, 124862960), (272, 79416515), (340, 63533212), (346, 62431480), (680, 31766606), (692, 31215740), (865, 24972592), (1360, 15883303), (1384, 15607870), (1730, 12486296), (2768, 7803935), (2941, 7344880), (3460, 6243148), (5882, 3672440), (6920, 3121574), (11764, 1836220), (13840, 1560787), (14705, 1468976), (23528, 918110), (29410, 734488), (47056, 459055), (58820, 367244), (91811, 235280), (117640, 183622)]