126901820

素因数分解:

$2^2\times 5^1\times {\mathrm{6345091}}^1$

素因数の和:6345100

約数の個数: 12

約数和(自身を含む): 266493864

約数和(自身を除く): 139592044

約数列:

[1, 2, 4, 5, 10, 20, 6345091, 12690182, 25380364, 31725455, 63450910, 126901820]

約数ペア:

[(1, 126901820), (2, 63450910), (4, 31725455), (5, 25380364), (10, 12690182), (20, 6345091)]