8428880

素因数分解:

$2^4\times 5^1\times {\mathrm{105361}}^1$

素因数の和:105374

約数の個数: 20

約数和(自身を含む): 19597332

約数和(自身を除く): 11168452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105361, 210722, 421444, 526805, 842888, 1053610, 1685776, 2107220, 4214440, 8428880]

約数ペア:

[(1, 8428880), (2, 4214440), (4, 2107220), (5, 1685776), (8, 1053610), (10, 842888), (16, 526805), (20, 421444), (40, 210722), (80, 105361)]