169395280

素因数分解:

$2^4\times 5^1\times {\mathrm{2117441}}^1$

素因数の和:2117454

約数の個数: 20

約数和(自身を含む): 393844212

約数和(自身を除く): 224448932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2117441, 4234882, 8469764, 10587205, 16939528, 21174410, 33879056, 42348820, 84697640, 169395280]

約数ペア:

[(1, 169395280), (2, 84697640), (4, 42348820), (5, 33879056), (8, 21174410), (10, 16939528), (16, 10587205), (20, 8469764), (40, 4234882), (80, 2117441)]