17272720

素因数分解:

$2^4\times 5^1\times {\mathrm{215909}}^1$

素因数の和:215922

約数の個数: 20

約数和(自身を含む): 40159260

約数和(自身を除く): 22886540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 215909, 431818, 863636, 1079545, 1727272, 2159090, 3454544, 4318180, 8636360, 17272720]

約数ペア:

[(1, 17272720), (2, 8636360), (4, 4318180), (5, 3454544), (8, 2159090), (10, 1727272), (16, 1079545), (20, 863636), (40, 431818), (80, 215909)]