797212420

素因数分解:

$2^2\times 5^1\times {\mathrm{39860621}}^1$

素因数の和:39860630

約数の個数: 12

約数和(自身を含む): 1674146124

約数和(自身を除く): 876933704

約数列:

[1, 2, 4, 5, 10, 20, 39860621, 79721242, 159442484, 199303105, 398606210, 797212420]

約数ペア:

[(1, 797212420), (2, 398606210), (4, 199303105), (5, 159442484), (10, 79721242), (20, 39860621)]