80799790

素因数分解:

$2^1\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{3739}}^1$

素因数の和:5907

約数の個数: 16

約数和(自身を含む): 145545840

約数和(自身を除く): 64746050

約数列:

[1, 2, 5, 10, 2161, 3739, 4322, 7478, 10805, 18695, 21610, 37390, 8079979, 16159958, 40399895, 80799790]

約数ペア:

[(1, 80799790), (2, 40399895), (5, 16159958), (10, 8079979), (2161, 37390), (3739, 21610), (4322, 18695), (7478, 10805)]