258536440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{50893}}^1$

素因数の和:51031

約数の個数: 32

約数和(自身を含む): 586298880

約数和(自身を除く): 327762440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 50893, 101786, 203572, 254465, 407144, 508930, 1017860, 2035720, 6463411, 12926822, 25853644, 32317055, 51707288, 64634110, 129268220, 258536440]

約数ペア:

[(1, 258536440), (2, 129268220), (4, 64634110), (5, 51707288), (8, 32317055), (10, 25853644), (20, 12926822), (40, 6463411), (127, 2035720), (254, 1017860), (508, 508930), (635, 407144), (1016, 254465), (1270, 203572), (2540, 101786), (5080, 50893)]