12961800440

素因数分解:

$2^3\times 5^1\times {\mathrm{324045011}}^1$

素因数の和:324045022

約数の個数: 16

約数和(自身を含む): 29164051080

約数和(自身を除く): 16202250640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 324045011, 648090022, 1296180044, 1620225055, 2592360088, 3240450110, 6480900220, 12961800440]

約数ペア:

[(1, 12961800440), (2, 6480900220), (4, 3240450110), (5, 2592360088), (8, 1620225055), (10, 1296180044), (20, 648090022), (40, 324045011)]