80967940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{238141}}^1$

素因数の和:238167

約数の個数: 24

約数和(自身を含む): 180035352

約数和(自身を除く): 99067412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 238141, 476282, 952564, 1190705, 2381410, 4048397, 4762820, 8096794, 16193588, 20241985, 40483970, 80967940]

約数ペア:

[(1, 80967940), (2, 40483970), (4, 20241985), (5, 16193588), (10, 8096794), (17, 4762820), (20, 4048397), (34, 2381410), (68, 1190705), (85, 952564), (170, 476282), (340, 238141)]