66210640

素因数分解:

$2^4\times 5^1\times {\mathrm{827633}}^1$

素因数の和:827646

約数の個数: 20

約数和(自身を含む): 153939924

約数和(自身を除く): 87729284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827633, 1655266, 3310532, 4138165, 6621064, 8276330, 13242128, 16552660, 33105320, 66210640]

約数ペア:

[(1, 66210640), (2, 33105320), (4, 16552660), (5, 13242128), (8, 8276330), (10, 6621064), (16, 4138165), (20, 3310532), (40, 1655266), (80, 827633)]