80740000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:408

約数の個数: 120

約数和(自身を含む): 217280448

約数和(自身を除く): 136540448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 367, 400, 440, 500, 550, 625, 734, 800, 880, 1000, 1100, 1250, 1375, 1468, 1760, 1835, 2000, 2200, 2500, 2750, 2936, 3670, 4000, 4037, 4400, 5000, 5500, 5872, 6875, 7340, 8074, 8800, 9175, 10000, 11000, 11744, 13750, 14680, 16148, 18350, 20000, 20185, 22000, 27500, 29360, 32296, 36700, 40370, 44000, 45875, 55000, 58720, 64592, 73400, 80740, 91750, 100925, 110000, 129184, 146800, 161480, 183500, 201850, 220000, 229375, 293600, 322960, 367000, 403700, 458750, 504625, 645920, 734000, 807400, 917500, 1009250, 1468000, 1614800, 1835000, 2018500, 2523125, 3229600, 3670000, 4037000, 5046250, 7340000, 8074000, 10092500, 16148000, 20185000, 40370000, 80740000]

約数ペア:

[(1, 80740000), (2, 40370000), (4, 20185000), (5, 16148000), (8, 10092500), (10, 8074000), (11, 7340000), (16, 5046250), (20, 4037000), (22, 3670000), (25, 3229600), (32, 2523125), (40, 2018500), (44, 1835000), (50, 1614800), (55, 1468000), (80, 1009250), (88, 917500), (100, 807400), (110, 734000), (125, 645920), (160, 504625), (176, 458750), (200, 403700), (220, 367000), (250, 322960), (275, 293600), (352, 229375), (367, 220000), (400, 201850), (440, 183500), (500, 161480), (550, 146800), (625, 129184), (734, 110000), (800, 100925), (880, 91750), (1000, 80740), (1100, 73400), (1250, 64592), (1375, 58720), (1468, 55000), (1760, 45875), (1835, 44000), (2000, 40370), (2200, 36700), (2500, 32296), (2750, 29360), (2936, 27500), (3670, 22000), (4000, 20185), (4037, 20000), (4400, 18350), (5000, 16148), (5500, 14680), (5872, 13750), (6875, 11744), (7340, 11000), (8074, 10000), (8800, 9175)]