26669260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78439}}^1$

素因数の和:78465

約数の個数: 24

約数和(自身を含む): 59300640

約数和(自身を除く): 32631380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 78439, 156878, 313756, 392195, 784390, 1333463, 1568780, 2666926, 5333852, 6667315, 13334630, 26669260]

約数ペア:

[(1, 26669260), (2, 13334630), (4, 6667315), (5, 5333852), (10, 2666926), (17, 1568780), (20, 1333463), (34, 784390), (68, 392195), (85, 313756), (170, 156878), (340, 78439)]