43839260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128939}}^1$

素因数の和:128965

約数の個数: 24

約数和(自身を含む): 97478640

約数和(自身を除く): 53639380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 128939, 257878, 515756, 644695, 1289390, 2191963, 2578780, 4383926, 8767852, 10959815, 21919630, 43839260]

約数ペア:

[(1, 43839260), (2, 21919630), (4, 10959815), (5, 8767852), (10, 4383926), (17, 2578780), (20, 2191963), (34, 1289390), (68, 644695), (85, 515756), (170, 257878), (340, 128939)]