87167720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17159}}^1$

素因数の和:17297

約数の個数: 32

約数和(自身を含む): 197683200

約数和(自身を除く): 110515480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17159, 34318, 68636, 85795, 137272, 171590, 343180, 686360, 2179193, 4358386, 8716772, 10895965, 17433544, 21791930, 43583860, 87167720]

約数ペア:

[(1, 87167720), (2, 43583860), (4, 21791930), (5, 17433544), (8, 10895965), (10, 8716772), (20, 4358386), (40, 2179193), (127, 686360), (254, 343180), (508, 171590), (635, 137272), (1016, 85795), (1270, 68636), (2540, 34318), (5080, 17159)]