77672020

素因数分解:

$2^2\times 5^1\times {\mathrm{3883601}}^1$

素因数の和:3883610

約数の個数: 12

約数和(自身を含む): 163111284

約数和(自身を除く): 85439264

約数列:

[1, 2, 4, 5, 10, 20, 3883601, 7767202, 15534404, 19418005, 38836010, 77672020]

約数ペア:

[(1, 77672020), (2, 38836010), (4, 19418005), (5, 15534404), (10, 7767202), (20, 3883601)]