51908920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2767}}^1$

素因数の和:2852

約数の個数: 64

約数和(自身を含む): 135521280

約数和(自身を除く): 83612360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 2767, 3752, 4690, 5534, 9380, 11068, 13835, 18760, 19369, 22136, 27670, 38738, 55340, 77476, 96845, 110680, 154952, 185389, 193690, 370778, 387380, 741556, 774760, 926945, 1297723, 1483112, 1853890, 2595446, 3707780, 5190892, 6488615, 7415560, 10381784, 12977230, 25954460, 51908920]

約数ペア:

[(1, 51908920), (2, 25954460), (4, 12977230), (5, 10381784), (7, 7415560), (8, 6488615), (10, 5190892), (14, 3707780), (20, 2595446), (28, 1853890), (35, 1483112), (40, 1297723), (56, 926945), (67, 774760), (70, 741556), (134, 387380), (140, 370778), (268, 193690), (280, 185389), (335, 154952), (469, 110680), (536, 96845), (670, 77476), (938, 55340), (1340, 38738), (1876, 27670), (2345, 22136), (2680, 19369), (2767, 18760), (3752, 13835), (4690, 11068), (5534, 9380)]