66934840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239053}}^1$

素因数の和:239071

約数の個数: 32

約数和(自身を含む): 172118880

約数和(自身を除く): 105184040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239053, 478106, 956212, 1195265, 1673371, 1912424, 2390530, 3346742, 4781060, 6693484, 8366855, 9562120, 13386968, 16733710, 33467420, 66934840]

約数ペア:

[(1, 66934840), (2, 33467420), (4, 16733710), (5, 13386968), (7, 9562120), (8, 8366855), (10, 6693484), (14, 4781060), (20, 3346742), (28, 2390530), (35, 1912424), (40, 1673371), (56, 1195265), (70, 956212), (140, 478106), (280, 239053)]