172912120

素因数分解:

$2^3\times 5^1\times {\mathrm{4322803}}^1$

素因数の和:4322814

約数の個数: 16

約数和(自身を含む): 389052360

約数和(自身を除く): 216140240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4322803, 8645606, 17291212, 21614015, 34582424, 43228030, 86456060, 172912120]

約数ペア:

[(1, 172912120), (2, 86456060), (4, 43228030), (5, 34582424), (8, 21614015), (10, 17291212), (20, 8645606), (40, 4322803)]