1330454420

素因数分解:

$2^2\times 5^1\times {\mathrm{66522721}}^1$

素因数の和:66522730

約数の個数: 12

約数和(自身を含む): 2793954324

約数和(自身を除く): 1463499904

約数列:

[1, 2, 4, 5, 10, 20, 66522721, 133045442, 266090884, 332613605, 665227210, 1330454420]

約数ペア:

[(1, 1330454420), (2, 665227210), (4, 332613605), (5, 266090884), (10, 133045442), (20, 66522721)]