51207440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13619}}^1$

素因数の和:13679

約数の個数: 40

約数和(自身を含む): 121599360

約数和(自身を除く): 70391920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 13619, 27238, 54476, 68095, 108952, 136190, 217904, 272380, 544760, 640093, 1089520, 1280186, 2560372, 3200465, 5120744, 6400930, 10241488, 12801860, 25603720, 51207440]

約数ペア:

[(1, 51207440), (2, 25603720), (4, 12801860), (5, 10241488), (8, 6400930), (10, 5120744), (16, 3200465), (20, 2560372), (40, 1280186), (47, 1089520), (80, 640093), (94, 544760), (188, 272380), (235, 217904), (376, 136190), (470, 108952), (752, 68095), (940, 54476), (1880, 27238), (3760, 13619)]