51310840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 137401920

約数和(自身を除く): 86091080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 557, 658, 940, 980, 1114, 1316, 1645, 1880, 1960, 2228, 2303, 2632, 2785, 3290, 3899, 4456, 4606, 5570, 6580, 7798, 9212, 11140, 11515, 13160, 15596, 18424, 19495, 22280, 23030, 26179, 27293, 31192, 38990, 46060, 52358, 54586, 77980, 92120, 104716, 109172, 130895, 136465, 155960, 183253, 209432, 218344, 261790, 272930, 366506, 523580, 545860, 733012, 916265, 1047160, 1091720, 1282771, 1466024, 1832530, 2565542, 3665060, 5131084, 6413855, 7330120, 10262168, 12827710, 25655420, 51310840]

約数ペア:

[(1, 51310840), (2, 25655420), (4, 12827710), (5, 10262168), (7, 7330120), (8, 6413855), (10, 5131084), (14, 3665060), (20, 2565542), (28, 1832530), (35, 1466024), (40, 1282771), (47, 1091720), (49, 1047160), (56, 916265), (70, 733012), (94, 545860), (98, 523580), (140, 366506), (188, 272930), (196, 261790), (235, 218344), (245, 209432), (280, 183253), (329, 155960), (376, 136465), (392, 130895), (470, 109172), (490, 104716), (557, 92120), (658, 77980), (940, 54586), (980, 52358), (1114, 46060), (1316, 38990), (1645, 31192), (1880, 27293), (1960, 26179), (2228, 23030), (2303, 22280), (2632, 19495), (2785, 18424), (3290, 15596), (3899, 13160), (4456, 11515), (4606, 11140), (5570, 9212), (6580, 7798)]