56521640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{599}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 146016000

約数和(自身を除く): 89494360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 599, 674, 1198, 1348, 1685, 2359, 2396, 2696, 2995, 3370, 4193, 4718, 4792, 5990, 6740, 8386, 9436, 11795, 11980, 13480, 16772, 18872, 20965, 23590, 23960, 33544, 41930, 47180, 83860, 94360, 167720, 201863, 403726, 807452, 1009315, 1413041, 1614904, 2018630, 2826082, 4037260, 5652164, 7065205, 8074520, 11304328, 14130410, 28260820, 56521640]

約数ペア:

[(1, 56521640), (2, 28260820), (4, 14130410), (5, 11304328), (7, 8074520), (8, 7065205), (10, 5652164), (14, 4037260), (20, 2826082), (28, 2018630), (35, 1614904), (40, 1413041), (56, 1009315), (70, 807452), (140, 403726), (280, 201863), (337, 167720), (599, 94360), (674, 83860), (1198, 47180), (1348, 41930), (1685, 33544), (2359, 23960), (2396, 23590), (2696, 20965), (2995, 18872), (3370, 16772), (4193, 13480), (4718, 11980), (4792, 11795), (5990, 9436), (6740, 8386)]