87080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 224640

約数和(自身を除く): 137560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 1244, 1555, 2177, 2488, 3110, 4354, 6220, 8708, 10885, 12440, 17416, 21770, 43540, 87080]

約数ペア:

[(1, 87080), (2, 43540), (4, 21770), (5, 17416), (7, 12440), (8, 10885), (10, 8708), (14, 6220), (20, 4354), (28, 3110), (35, 2488), (40, 2177), (56, 1555), (70, 1244), (140, 622), (280, 311)]