27858760

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1973}}^1$

素因数の和:2337

約数の個数: 32

約数和(自身を含む): 62891640

約数和(自身を除く): 35032880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 1973, 2824, 3530, 3946, 7060, 7892, 9865, 14120, 15784, 19730, 39460, 78920, 696469, 1392938, 2785876, 3482345, 5571752, 6964690, 13929380, 27858760]

約数ペア:

[(1, 27858760), (2, 13929380), (4, 6964690), (5, 5571752), (8, 3482345), (10, 2785876), (20, 1392938), (40, 696469), (353, 78920), (706, 39460), (1412, 19730), (1765, 15784), (1973, 14120), (2824, 9865), (3530, 7892), (3946, 7060)]