339807640

素因数分解:

$2^3\times 5^1\times {\mathrm{8495191}}^1$

素因数の和:8495202

約数の個数: 16

約数和(自身を含む): 764567280

約数和(自身を除く): 424759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8495191, 16990382, 33980764, 42475955, 67961528, 84951910, 169903820, 339807640]

約数ペア:

[(1, 339807640), (2, 169903820), (4, 84951910), (5, 67961528), (8, 42475955), (10, 33980764), (20, 16990382), (40, 8495191)]