87058520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10937}}^1$

素因数の和:11147

約数の個数: 32

約数和(自身を含む): 196884000

約数和(自身を除く): 109825480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 10937, 21874, 43748, 54685, 87496, 109370, 218740, 437480, 2176463, 4352926, 8705852, 10882315, 17411704, 21764630, 43529260, 87058520]

約数ペア:

[(1, 87058520), (2, 43529260), (4, 21764630), (5, 17411704), (8, 10882315), (10, 8705852), (20, 4352926), (40, 2176463), (199, 437480), (398, 218740), (796, 109370), (995, 87496), (1592, 54685), (1990, 43748), (3980, 21874), (7960, 10937)]