78845920

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2753}}^1$

素因数の和:2947

約数の個数: 48

約数和(自身を含む): 187382160

約数和(自身を除く): 108536240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2753, 2864, 3580, 5506, 5728, 7160, 11012, 13765, 14320, 22024, 27530, 28640, 44048, 55060, 88096, 110120, 220240, 440480, 492787, 985574, 1971148, 2463935, 3942296, 4927870, 7884592, 9855740, 15769184, 19711480, 39422960, 78845920]

約数ペア:

[(1, 78845920), (2, 39422960), (4, 19711480), (5, 15769184), (8, 9855740), (10, 7884592), (16, 4927870), (20, 3942296), (32, 2463935), (40, 1971148), (80, 985574), (160, 492787), (179, 440480), (358, 220240), (716, 110120), (895, 88096), (1432, 55060), (1790, 44048), (2753, 28640), (2864, 27530), (3580, 22024), (5506, 14320), (5728, 13765), (7160, 11012)]