66513220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{45557}}^1$

素因数の和:45639

約数の個数: 24

約数和(自身を含む): 141594264

約数和(自身を除く): 75081044

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 45557, 91114, 182228, 227785, 455570, 911140, 3325661, 6651322, 13302644, 16628305, 33256610, 66513220]

約数ペア:

[(1, 66513220), (2, 33256610), (4, 16628305), (5, 13302644), (10, 6651322), (20, 3325661), (73, 911140), (146, 455570), (292, 227785), (365, 182228), (730, 91114), (1460, 45557)]