66207640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13033}}^1$

素因数の和:13171

約数の個数: 32

約数和(自身を含む): 150151680

約数和(自身を除く): 83944040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 13033, 26066, 52132, 65165, 104264, 130330, 260660, 521320, 1655191, 3310382, 6620764, 8275955, 13241528, 16551910, 33103820, 66207640]

約数ペア:

[(1, 66207640), (2, 33103820), (4, 16551910), (5, 13241528), (8, 8275955), (10, 6620764), (20, 3310382), (40, 1655191), (127, 521320), (254, 260660), (508, 130330), (635, 104264), (1016, 65165), (1270, 52132), (2540, 26066), (5080, 13033)]