12821753380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1\times {\mathrm{3019}}^1$

素因数の和:4780

約数の個数: 48

約数和(自身を含む): 27156951360

約数和(自身を除く): 14335197980

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1621, 2620, 3019, 3242, 6038, 6484, 8105, 12076, 15095, 16210, 30190, 32420, 60380, 212351, 395489, 424702, 790978, 849404, 1061755, 1581956, 1977445, 2123510, 3954890, 4247020, 4893799, 7909780, 9787598, 19575196, 24468995, 48937990, 97875980, 641087669, 1282175338, 2564350676, 3205438345, 6410876690, 12821753380]

約数ペア:

[(1, 12821753380), (2, 6410876690), (4, 3205438345), (5, 2564350676), (10, 1282175338), (20, 641087669), (131, 97875980), (262, 48937990), (524, 24468995), (655, 19575196), (1310, 9787598), (1621, 7909780), (2620, 4893799), (3019, 4247020), (3242, 3954890), (6038, 2123510), (6484, 1977445), (8105, 1581956), (12076, 1061755), (15095, 849404), (16210, 790978), (30190, 424702), (32420, 395489), (60380, 212351)]