64042540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{168533}}^1$

素因数の和:168561

約数の個数: 24

約数和(自身を含む): 141568560

約数和(自身を除く): 77526020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 168533, 337066, 674132, 842665, 1685330, 3202127, 3370660, 6404254, 12808508, 16010635, 32021270, 64042540]

約数ペア:

[(1, 64042540), (2, 32021270), (4, 16010635), (5, 12808508), (10, 6404254), (19, 3370660), (20, 3202127), (38, 1685330), (76, 842665), (95, 674132), (190, 337066), (380, 168533)]