80724400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6959}}^1$

素因数の和:7006

約数の個数: 60

約数和(自身を含む): 200656800

約数和(自身を除く): 119932400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 2320, 2900, 5800, 6959, 11600, 13918, 27836, 34795, 55672, 69590, 111344, 139180, 173975, 201811, 278360, 347950, 403622, 556720, 695900, 807244, 1009055, 1391800, 1614488, 2018110, 2783600, 3228976, 4036220, 5045275, 8072440, 10090550, 16144880, 20181100, 40362200, 80724400]

約数ペア:

[(1, 80724400), (2, 40362200), (4, 20181100), (5, 16144880), (8, 10090550), (10, 8072440), (16, 5045275), (20, 4036220), (25, 3228976), (29, 2783600), (40, 2018110), (50, 1614488), (58, 1391800), (80, 1009055), (100, 807244), (116, 695900), (145, 556720), (200, 403622), (232, 347950), (290, 278360), (400, 201811), (464, 173975), (580, 139180), (725, 111344), (1160, 69590), (1450, 55672), (2320, 34795), (2900, 27836), (5800, 13918), (6959, 11600)]