87805180

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{16693}}^1$

素因数の和:16965

約数の個数: 24

約数和(自身を含む): 185103072

約数和(自身を除く): 97297892

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 16693, 33386, 66772, 83465, 166930, 333860, 4390259, 8780518, 17561036, 21951295, 43902590, 87805180]

約数ペア:

[(1, 87805180), (2, 43902590), (4, 21951295), (5, 17561036), (10, 8780518), (20, 4390259), (263, 333860), (526, 166930), (1052, 83465), (1315, 66772), (2630, 33386), (5260, 16693)]