25778560

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 63011520

約数和(自身を除く): 37232960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 857, 940, 1504, 1714, 1880, 3008, 3428, 3760, 4285, 6016, 6856, 7520, 8570, 13712, 15040, 17140, 27424, 30080, 34280, 40279, 54848, 68560, 80558, 109696, 137120, 161116, 201395, 274240, 322232, 402790, 548480, 644464, 805580, 1288928, 1611160, 2577856, 3222320, 5155712, 6444640, 12889280, 25778560]

約数ペア:

[(1, 25778560), (2, 12889280), (4, 6444640), (5, 5155712), (8, 3222320), (10, 2577856), (16, 1611160), (20, 1288928), (32, 805580), (40, 644464), (47, 548480), (64, 402790), (80, 322232), (94, 274240), (128, 201395), (160, 161116), (188, 137120), (235, 109696), (320, 80558), (376, 68560), (470, 54848), (640, 40279), (752, 34280), (857, 30080), (940, 27424), (1504, 17140), (1714, 15040), (1880, 13712), (3008, 8570), (3428, 7520), (3760, 6856), (4285, 6016)]