38139280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11087}}^1$

素因数の和:11143

約数の個数: 40

約数和(自身を含む): 90744192

約数和(自身を除く): 52604912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11087, 22174, 44348, 55435, 88696, 110870, 177392, 221740, 443480, 476741, 886960, 953482, 1906964, 2383705, 3813928, 4767410, 7627856, 9534820, 19069640, 38139280]

約数ペア:

[(1, 38139280), (2, 19069640), (4, 9534820), (5, 7627856), (8, 4767410), (10, 3813928), (16, 2383705), (20, 1906964), (40, 953482), (43, 886960), (80, 476741), (86, 443480), (172, 221740), (215, 177392), (344, 110870), (430, 88696), (688, 55435), (860, 44348), (1720, 22174), (3440, 11087)]