66257680

素因数分解:

$2^4\times 5^1\times {\mathrm{828221}}^1$

素因数の和:828234

約数の個数: 20

約数和(自身を含む): 154049292

約数和(自身を除く): 87791612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 828221, 1656442, 3312884, 4141105, 6625768, 8282210, 13251536, 16564420, 33128840, 66257680]

約数ペア:

[(1, 66257680), (2, 33128840), (4, 16564420), (5, 13251536), (8, 8282210), (10, 6625768), (16, 4141105), (20, 3312884), (40, 1656442), (80, 828221)]