25721080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1193}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 73502640

約数和(自身を除く): 47781560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1193, 1540, 1960, 2156, 2386, 2695, 3080, 4312, 4772, 5390, 5965, 8351, 9544, 10780, 11930, 13123, 16702, 21560, 23860, 26246, 33404, 41755, 47720, 52492, 58457, 65615, 66808, 83510, 91861, 104984, 116914, 131230, 167020, 183722, 233828, 262460, 292285, 334040, 367444, 459305, 467656, 524920, 584570, 643027, 734888, 918610, 1169140, 1286054, 1837220, 2338280, 2572108, 3215135, 3674440, 5144216, 6430270, 12860540, 25721080]

約数ペア:

[(1, 25721080), (2, 12860540), (4, 6430270), (5, 5144216), (7, 3674440), (8, 3215135), (10, 2572108), (11, 2338280), (14, 1837220), (20, 1286054), (22, 1169140), (28, 918610), (35, 734888), (40, 643027), (44, 584570), (49, 524920), (55, 467656), (56, 459305), (70, 367444), (77, 334040), (88, 292285), (98, 262460), (110, 233828), (140, 183722), (154, 167020), (196, 131230), (220, 116914), (245, 104984), (280, 91861), (308, 83510), (385, 66808), (392, 65615), (440, 58457), (490, 52492), (539, 47720), (616, 41755), (770, 33404), (980, 26246), (1078, 23860), (1193, 21560), (1540, 16702), (1960, 13123), (2156, 11930), (2386, 10780), (2695, 9544), (3080, 8351), (4312, 5965), (4772, 5390)]