7868920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1549}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 17856000

約数和(自身を除く): 9987080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1549, 2540, 3098, 5080, 6196, 7745, 12392, 15490, 30980, 61960, 196723, 393446, 786892, 983615, 1573784, 1967230, 3934460, 7868920]

約数ペア:

[(1, 7868920), (2, 3934460), (4, 1967230), (5, 1573784), (8, 983615), (10, 786892), (20, 393446), (40, 196723), (127, 61960), (254, 30980), (508, 15490), (635, 12392), (1016, 7745), (1270, 6196), (1549, 5080), (2540, 3098)]