2040371840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1931}}^1$

素因数の和:2090

約数の個数: 128

約数和(自身を含む): 5297080320

約数和(自身を除く): 3256708480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 260, 320, 416, 508, 520, 635, 640, 832, 1016, 1040, 1270, 1651, 1664, 1931, 2032, 2080, 2540, 3302, 3862, 4064, 4160, 5080, 6604, 7724, 8128, 8255, 8320, 9655, 10160, 13208, 15448, 16256, 16510, 19310, 20320, 25103, 26416, 30896, 33020, 38620, 40640, 50206, 52832, 61792, 66040, 77240, 81280, 100412, 105664, 123584, 125515, 132080, 154480, 200824, 211328, 245237, 247168, 251030, 264160, 308960, 401648, 490474, 502060, 528320, 617920, 803296, 980948, 1004120, 1056640, 1226185, 1235840, 1606592, 1961896, 2008240, 2452370, 3188081, 3213184, 3923792, 4016480, 4904740, 6376162, 7847584, 8032960, 9809480, 12752324, 15695168, 15940405, 16065920, 19618960, 25504648, 31390336, 31880810, 39237920, 51009296, 63761620, 78475840, 102018592, 127523240, 156951680, 204037184, 255046480, 408074368, 510092960, 1020185920, 2040371840]

約数ペア:

[(1, 2040371840), (2, 1020185920), (4, 510092960), (5, 408074368), (8, 255046480), (10, 204037184), (13, 156951680), (16, 127523240), (20, 102018592), (26, 78475840), (32, 63761620), (40, 51009296), (52, 39237920), (64, 31880810), (65, 31390336), (80, 25504648), (104, 19618960), (127, 16065920), (128, 15940405), (130, 15695168), (160, 12752324), (208, 9809480), (254, 8032960), (260, 7847584), (320, 6376162), (416, 4904740), (508, 4016480), (520, 3923792), (635, 3213184), (640, 3188081), (832, 2452370), (1016, 2008240), (1040, 1961896), (1270, 1606592), (1651, 1235840), (1664, 1226185), (1931, 1056640), (2032, 1004120), (2080, 980948), (2540, 803296), (3302, 617920), (3862, 528320), (4064, 502060), (4160, 490474), (5080, 401648), (6604, 308960), (7724, 264160), (8128, 251030), (8255, 247168), (8320, 245237), (9655, 211328), (10160, 200824), (13208, 154480), (15448, 132080), (16256, 125515), (16510, 123584), (19310, 105664), (20320, 100412), (25103, 81280), (26416, 77240), (30896, 66040), (33020, 61792), (38620, 52832), (40640, 50206)]