2706680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 6143040

約数和(自身を除く): 3436360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 431, 628, 785, 862, 1256, 1570, 1724, 2155, 3140, 3448, 4310, 6280, 8620, 17240, 67667, 135334, 270668, 338335, 541336, 676670, 1353340, 2706680]

約数ペア:

[(1, 2706680), (2, 1353340), (4, 676670), (5, 541336), (8, 338335), (10, 270668), (20, 135334), (40, 67667), (157, 17240), (314, 8620), (431, 6280), (628, 4310), (785, 3448), (862, 3140), (1256, 2155), (1570, 1724)]