66109640

素因数分解:

$2^3\times 5^1\times {\mathrm{1652741}}^1$

素因数の和:1652752

約数の個数: 16

約数和(自身を含む): 148746780

約数和(自身を除く): 82637140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1652741, 3305482, 6610964, 8263705, 13221928, 16527410, 33054820, 66109640]

約数ペア:

[(1, 66109640), (2, 33054820), (4, 16527410), (5, 13221928), (8, 8263705), (10, 6610964), (20, 3305482), (40, 1652741)]