1020185920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1931}}^1$

素因数の和:2088

約数の個数: 112

約数和(自身を含む): 2638153728

約数和(自身を除く): 1617967808

約数列:

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

約数ペア:

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