8907009.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 30904272

約数和(自身を除く): 17684192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 643, 1028, 1285, 1286, 2056, 2570, 2572, 3215, 4112, 5140, 5144, 6430, 10280, 10288, 12860, 20560, 25720, 51440, 165251, 330502, 661004, 826255, 1322008, 1652510, 2644016, 3305020, 6610040, 13220080]

約数ペア:

[(1, 13220080), (2, 6610040), (4, 3305020), (5, 2644016), (8, 1652510), (10, 1322008), (16, 826255), (20, 661004), (40, 330502), (80, 165251), (257, 51440), (514, 25720), (643, 20560), (1028, 12860), (1285, 10288), (1286, 10280), (2056, 6430), (2570, 5144), (2572, 5140), (3215, 4112)]