12961192040

素因数分解:

$2^3\times 5^1\times {\mathrm{324029801}}^1$

素因数の和:324029812

約数の個数: 16

約数和(自身を含む): 29162682180

約数和(自身を除く): 16201490140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 324029801, 648059602, 1296119204, 1620149005, 2592238408, 3240298010, 6480596020, 12961192040]

約数ペア:

[(1, 12961192040), (2, 6480596020), (4, 3240298010), (5, 2592238408), (8, 1620149005), (10, 1296119204), (20, 648059602), (40, 324029801)]