156074420

素因数分解:

$2^2\times 5^1\times {\mathrm{7803721}}^1$

素因数の和:7803730

約数の個数: 12

約数和(自身を含む): 327756324

約数和(自身を除く): 171681904

約数列:

[1, 2, 4, 5, 10, 20, 7803721, 15607442, 31214884, 39018605, 78037210, 156074420]

約数ペア:

[(1, 156074420), (2, 78037210), (4, 39018605), (5, 31214884), (10, 15607442), (20, 7803721)]