20164501760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{1201}}^1$

素因数の和:2244

約数の個数: 144

約数和(自身を含む): 52110594480

約数和(自身を除く): 31946092720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1009, 1040, 1201, 1280, 1664, 2018, 2080, 2402, 3328, 4036, 4160, 4804, 5045, 6005, 8072, 8320, 9608, 10090, 12010, 13117, 15613, 16144, 16640, 19216, 20180, 24020, 26234, 31226, 32288, 38432, 40360, 48040, 52468, 62452, 64576, 65585, 76864, 78065, 80720, 96080, 104936, 124904, 129152, 131170, 153728, 156130, 161440, 192160, 209872, 249808, 258304, 262340, 307456, 312260, 322880, 384320, 419744, 499616, 524680, 624520, 645760, 768640, 839488, 999232, 1049360, 1211809, 1249040, 1291520, 1537280, 1678976, 1998464, 2098720, 2423618, 2498080, 3357952, 3996928, 4197440, 4847236, 4996160, 6059045, 8394880, 9694472, 9992320, 12118090, 15753517, 16789760, 19388944, 19984640, 24236180, 31507034, 38777888, 48472360, 63014068, 77555776, 78767585, 96944720, 126028136, 155111552, 157535170, 193889440, 252056272, 310223104, 315070340, 387778880, 504112544, 630140680, 775557760, 1008225088, 1260281360, 1551115520, 2016450176, 2520562720, 4032900352, 5041125440, 10082250880, 20164501760]

約数ペア:

[(1, 20164501760), (2, 10082250880), (4, 5041125440), (5, 4032900352), (8, 2520562720), (10, 2016450176), (13, 1551115520), (16, 1260281360), (20, 1008225088), (26, 775557760), (32, 630140680), (40, 504112544), (52, 387778880), (64, 315070340), (65, 310223104), (80, 252056272), (104, 193889440), (128, 157535170), (130, 155111552), (160, 126028136), (208, 96944720), (256, 78767585), (260, 77555776), (320, 63014068), (416, 48472360), (520, 38777888), (640, 31507034), (832, 24236180), (1009, 19984640), (1040, 19388944), (1201, 16789760), (1280, 15753517), (1664, 12118090), (2018, 9992320), (2080, 9694472), (2402, 8394880), (3328, 6059045), (4036, 4996160), (4160, 4847236), (4804, 4197440), (5045, 3996928), (6005, 3357952), (8072, 2498080), (8320, 2423618), (9608, 2098720), (10090, 1998464), (12010, 1678976), (13117, 1537280), (15613, 1291520), (16144, 1249040), (16640, 1211809), (19216, 1049360), (20180, 999232), (24020, 839488), (26234, 768640), (31226, 645760), (32288, 624520), (38432, 524680), (40360, 499616), (48040, 419744), (52468, 384320), (62452, 322880), (64576, 312260), (65585, 307456), (76864, 262340), (78065, 258304), (80720, 249808), (96080, 209872), (104936, 192160), (124904, 161440), (129152, 156130), (131170, 153728)]