66541580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475297}}^1$

素因数の和:475313

約数の個数: 24

約数和(自身を含む): 159700128

約数和(自身を除く): 93158548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475297, 950594, 1901188, 2376485, 3327079, 4752970, 6654158, 9505940, 13308316, 16635395, 33270790, 66541580]

約数ペア:

[(1, 66541580), (2, 33270790), (4, 16635395), (5, 13308316), (7, 9505940), (10, 6654158), (14, 4752970), (20, 3327079), (28, 2376485), (35, 1901188), (70, 950594), (140, 475297)]