201891640

素因数分解:

$2^3\times 5^1\times {\mathrm{5047291}}^1$

素因数の和:5047302

約数の個数: 16

約数和(自身を含む): 454256280

約数和(自身を除く): 252364640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5047291, 10094582, 20189164, 25236455, 40378328, 50472910, 100945820, 201891640]

約数ペア:

[(1, 201891640), (2, 100945820), (4, 50472910), (5, 40378328), (8, 25236455), (10, 20189164), (20, 10094582), (40, 5047291)]