20166027440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19390411}}^1$

素因数の和:19390437

約数の個数: 40

約数和(自身を含む): 50492632848

約数和(自身を除く): 30326605408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19390411, 38780822, 77561644, 96952055, 155123288, 193904110, 252075343, 310246576, 387808220, 504150686, 775616440, 1008301372, 1260376715, 1551232880, 2016602744, 2520753430, 4033205488, 5041506860, 10083013720, 20166027440]

約数ペア:

[(1, 20166027440), (2, 10083013720), (4, 5041506860), (5, 4033205488), (8, 2520753430), (10, 2016602744), (13, 1551232880), (16, 1260376715), (20, 1008301372), (26, 775616440), (40, 504150686), (52, 387808220), (65, 310246576), (80, 252075343), (104, 193904110), (130, 155123288), (208, 96952055), (260, 77561644), (520, 38780822), (1040, 19390411)]