86665720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20249}}^1$

素因数の和:20367

約数の個数: 32

約数和(自身を含む): 196830000

約数和(自身を除く): 110164280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 20249, 40498, 80996, 101245, 161992, 202490, 404980, 809960, 2166643, 4333286, 8666572, 10833215, 17333144, 21666430, 43332860, 86665720]

約数ペア:

[(1, 86665720), (2, 43332860), (4, 21666430), (5, 17333144), (8, 10833215), (10, 8666572), (20, 4333286), (40, 2166643), (107, 809960), (214, 404980), (428, 202490), (535, 161992), (856, 101245), (1070, 80996), (2140, 40498), (4280, 20249)]