8665720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30949}}^1$

素因数の和:30967

約数の個数: 32

約数和(自身を含む): 22284000

約数和(自身を除く): 13618280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30949, 61898, 123796, 154745, 216643, 247592, 309490, 433286, 618980, 866572, 1083215, 1237960, 1733144, 2166430, 4332860, 8665720]

約数ペア:

[(1, 8665720), (2, 4332860), (4, 2166430), (5, 1733144), (7, 1237960), (8, 1083215), (10, 866572), (14, 618980), (20, 433286), (28, 309490), (35, 247592), (40, 216643), (56, 154745), (70, 123796), (140, 61898), (280, 30949)]