82040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 211680

約数和(自身を除く): 129640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 1172, 1465, 2051, 2344, 2930, 4102, 5860, 8204, 10255, 11720, 16408, 20510, 41020, 82040]

約数ペア:

[(1, 82040), (2, 41020), (4, 20510), (5, 16408), (7, 11720), (8, 10255), (10, 8204), (14, 5860), (20, 4102), (28, 2930), (35, 2344), (40, 2051), (56, 1465), (70, 1172), (140, 586), (280, 293)]