126019820

素因数分解:

$2^2\times 5^1\times {\mathrm{6300991}}^1$

素因数の和:6301000

約数の個数: 12

約数和(自身を含む): 264641664

約数和(自身を除く): 138621844

約数列:

[1, 2, 4, 5, 10, 20, 6300991, 12601982, 25203964, 31504955, 63009910, 126019820]

約数ペア:

[(1, 126019820), (2, 63009910), (4, 31504955), (5, 25203964), (10, 12601982), (20, 6300991)]