87490360

素因数分解:

$2^3\times 5^1\times {\mathrm{2187259}}^1$

素因数の和:2187270

約数の個数: 16

約数和(自身を含む): 196853400

約数和(自身を除く): 109363040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2187259, 4374518, 8749036, 10936295, 17498072, 21872590, 43745180, 87490360]

約数ペア:

[(1, 87490360), (2, 43745180), (4, 21872590), (5, 17498072), (8, 10936295), (10, 8749036), (20, 4374518), (40, 2187259)]