66103880

素因数分解:

$2^3\times 5^1\times {\mathrm{1652597}}^1$

素因数の和:1652608

約数の個数: 16

約数和(自身を含む): 148733820

約数和(自身を除く): 82629940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1652597, 3305194, 6610388, 8262985, 13220776, 16525970, 33051940, 66103880]

約数ペア:

[(1, 66103880), (2, 33051940), (4, 16525970), (5, 13220776), (8, 8262985), (10, 6610388), (20, 3305194), (40, 1652597)]