About the Number

13805040

13805039 ← → 13805041

2進数表記:110100101010010111110000

漢数字表記:千三百八十万五千四十

素因数分解:

2 4 × 3 1 × 5 1 × 97 1 × 593 1

素因数の和:706
約数の個数: 80
約数和(自身を含む): 43309728
約数和(自身を除く): 29504688

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 593, 776, 970, 1164, 1186, 1455, 1552, 1779, 1940, 2328, 2372, 2910, 2965, 3558, 3880, 4656, 4744, 5820, 5930, 7116, 7760, 8895, 9488, 11640, 11860, 14232, 17790, 23280, 23720, 28464, 35580, 47440, 57521, 71160, 115042, 142320, 172563, 230084, 287605, 345126, 460168, 575210, 690252, 862815, 920336, 1150420, 1380504, 1725630, 2300840, 2761008, 3451260, 4601680, 6902520, 13805040]

約数ペア:
[(1, 13805040), (2, 6902520), (3, 4601680), (4, 3451260), (5, 2761008), (6, 2300840), (8, 1725630), (10, 1380504), (12, 1150420), (15, 920336), (16, 862815), (20, 690252), (24, 575210), (30, 460168), (40, 345126), (48, 287605), (60, 230084), (80, 172563), (97, 142320), (120, 115042), (194, 71160), (240, 57521), (291, 47440), (388, 35580), (485, 28464), (582, 23720), (593, 23280), (776, 17790), (970, 14232), (1164, 11860), (1186, 11640), (1455, 9488), (1552, 8895), (1779, 7760), (1940, 7116), (2328, 5930), (2372, 5820), (2910, 4744), (2965, 4656), (3558, 3880)]

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