2013993040

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{64717}}^1$

素因数の和:65119

約数の個数: 40

約数和(自身を含む): 4694643720

約数和(自身を除く): 2680650680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 64717, 129434, 258868, 323585, 517736, 647170, 1035472, 1294340, 2588680, 5177360, 25174913, 50349826, 100699652, 125874565, 201399304, 251749130, 402798608, 503498260, 1006996520, 2013993040]

約数ペア:

[(1, 2013993040), (2, 1006996520), (4, 503498260), (5, 402798608), (8, 251749130), (10, 201399304), (16, 125874565), (20, 100699652), (40, 50349826), (80, 25174913), (389, 5177360), (778, 2588680), (1556, 1294340), (1945, 1035472), (3112, 647170), (3890, 517736), (6224, 323585), (7780, 258868), (15560, 129434), (31120, 64717)]