16197680

素因数分解:

$2^4\times 5^1\times {\mathrm{202471}}^1$

素因数の和:202484

約数の個数: 20

約数和(自身を含む): 37659792

約数和(自身を除く): 21462112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 202471, 404942, 809884, 1012355, 1619768, 2024710, 3239536, 4049420, 8098840, 16197680]

約数ペア:

[(1, 16197680), (2, 8098840), (4, 4049420), (5, 3239536), (8, 2024710), (10, 1619768), (16, 1012355), (20, 809884), (40, 404942), (80, 202471)]