7124440

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 16112880

約数和(自身を除く): 8988440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 643, 1108, 1286, 1385, 2216, 2572, 2770, 3215, 5144, 5540, 6430, 11080, 12860, 25720, 178111, 356222, 712444, 890555, 1424888, 1781110, 3562220, 7124440]

約数ペア:

[(1, 7124440), (2, 3562220), (4, 1781110), (5, 1424888), (8, 890555), (10, 712444), (20, 356222), (40, 178111), (277, 25720), (554, 12860), (643, 11080), (1108, 6430), (1286, 5540), (1385, 5144), (2216, 3215), (2572, 2770)]