20560040

素因数分解:

$2^3\times 5^1\times {\mathrm{514001}}^1$

素因数の和:514012

約数の個数: 16

約数和(自身を含む): 46260180

約数和(自身を除く): 25700140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 514001, 1028002, 2056004, 2570005, 4112008, 5140010, 10280020, 20560040]

約数ペア:

[(1, 20560040), (2, 10280020), (4, 5140010), (5, 4112008), (8, 2570005), (10, 2056004), (20, 1028002), (40, 514001)]