87503180

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6619}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 184062480

約数和(自身を除く): 96559300

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 6619, 13220, 13238, 26476, 33095, 66190, 132380, 4375159, 8750318, 17500636, 21875795, 43751590, 87503180]

約数ペア:

[(1, 87503180), (2, 43751590), (4, 21875795), (5, 17500636), (10, 8750318), (20, 4375159), (661, 132380), (1322, 66190), (2644, 33095), (3305, 26476), (6610, 13238), (6619, 13220)]