72847660

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{8297}}^1$

素因数の和:8745

約数の個数: 24

約数和(自身を含む): 153347040

約数和(自身を除く): 80499380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8297, 8780, 16594, 33188, 41485, 82970, 165940, 3642383, 7284766, 14569532, 18211915, 36423830, 72847660]

約数ペア:

[(1, 72847660), (2, 36423830), (4, 18211915), (5, 14569532), (10, 7284766), (20, 3642383), (439, 165940), (878, 82970), (1756, 41485), (2195, 33188), (4390, 16594), (8297, 8780)]