25560920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 73751040

約数和(自身を除く): 48190120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 193, 215, 220, 280, 301, 308, 344, 385, 386, 430, 440, 473, 602, 616, 770, 772, 860, 946, 965, 1204, 1351, 1505, 1540, 1544, 1720, 1892, 1930, 2123, 2365, 2408, 2702, 3010, 3080, 3311, 3784, 3860, 4246, 4730, 5404, 6020, 6622, 6755, 7720, 8299, 8492, 9460, 10615, 10808, 12040, 13244, 13510, 14861, 16555, 16598, 16984, 18920, 21230, 26488, 27020, 29722, 33110, 33196, 41495, 42460, 54040, 58093, 59444, 66220, 66392, 74305, 82990, 84920, 91289, 116186, 118888, 132440, 148610, 165980, 182578, 232372, 290465, 297220, 331960, 365156, 456445, 464744, 580930, 594440, 639023, 730312, 912890, 1161860, 1278046, 1825780, 2323720, 2556092, 3195115, 3651560, 5112184, 6390230, 12780460, 25560920]

約数ペア:

[(1, 25560920), (2, 12780460), (4, 6390230), (5, 5112184), (7, 3651560), (8, 3195115), (10, 2556092), (11, 2323720), (14, 1825780), (20, 1278046), (22, 1161860), (28, 912890), (35, 730312), (40, 639023), (43, 594440), (44, 580930), (55, 464744), (56, 456445), (70, 365156), (77, 331960), (86, 297220), (88, 290465), (110, 232372), (140, 182578), (154, 165980), (172, 148610), (193, 132440), (215, 118888), (220, 116186), (280, 91289), (301, 84920), (308, 82990), (344, 74305), (385, 66392), (386, 66220), (430, 59444), (440, 58093), (473, 54040), (602, 42460), (616, 41495), (770, 33196), (772, 33110), (860, 29722), (946, 27020), (965, 26488), (1204, 21230), (1351, 18920), (1505, 16984), (1540, 16598), (1544, 16555), (1720, 14861), (1892, 13510), (1930, 13244), (2123, 12040), (2365, 10808), (2408, 10615), (2702, 9460), (3010, 8492), (3080, 8299), (3311, 7720), (3784, 6755), (3860, 6622), (4246, 6020), (4730, 5404)]