66402920

素因数分解:

$2^3\times 5^1\times {\mathrm{1660073}}^1$

素因数の和:1660084

約数の個数: 16

約数和(自身を含む): 149406660

約数和(自身を除く): 83003740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1660073, 3320146, 6640292, 8300365, 13280584, 16600730, 33201460, 66402920]

約数ペア:

[(1, 66402920), (2, 33201460), (4, 16600730), (5, 13280584), (8, 8300365), (10, 6640292), (20, 3320146), (40, 1660073)]