129968106280

素因数分解:

$2^3\times 5^1\times {\mathrm{3249202657}}^1$

素因数の和:3249202668

約数の個数: 16

約数和(自身を含む): 292428239220

約数和(自身を除く): 162460132940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3249202657, 6498405314, 12996810628, 16246013285, 25993621256, 32492026570, 64984053140, 129968106280]

約数ペア:

[(1, 129968106280), (2, 64984053140), (4, 32492026570), (5, 25993621256), (8, 16246013285), (10, 12996810628), (20, 6498405314), (40, 3249202657)]