2100040

素因数分解:

$2^3\times 5^1\times {\mathrm{52501}}^1$

素因数の和:52512

約数の個数: 16

約数和(自身を含む): 4725180

約数和(自身を除く): 2625140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52501, 105002, 210004, 262505, 420008, 525010, 1050020, 2100040]

約数ペア:

[(1, 2100040), (2, 1050020), (4, 525010), (5, 420008), (8, 262505), (10, 210004), (20, 105002), (40, 52501)]