1330681780

素因数分解:

$2^2\times 5^1\times {\mathrm{66534089}}^1$

素因数の和:66534098

約数の個数: 12

約数和(自身を含む): 2794431780

約数和(自身を除く): 1463750000

約数列:

[1, 2, 4, 5, 10, 20, 66534089, 133068178, 266136356, 332670445, 665340890, 1330681780]

約数ペア:

[(1, 1330681780), (2, 665340890), (4, 332670445), (5, 266136356), (10, 133068178), (20, 66534089)]