66422920

素因数分解:

$2^3\times 5^1\times {\mathrm{1660573}}^1$

素因数の和:1660584

約数の個数: 16

約数和(自身を含む): 149451660

約数和(自身を除く): 83028740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1660573, 3321146, 6642292, 8302865, 13284584, 16605730, 33211460, 66422920]

約数ペア:

[(1, 66422920), (2, 33211460), (4, 16605730), (5, 13284584), (8, 8302865), (10, 6642292), (20, 3321146), (40, 1660573)]