72926680

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4153}}^1$

素因数の和:4603

約数の個数: 32

約数和(自身を含む): 164498400

約数和(自身を除く): 91571720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4153, 4390, 8306, 8780, 16612, 17560, 20765, 33224, 41530, 83060, 166120, 1823167, 3646334, 7292668, 9115835, 14585336, 18231670, 36463340, 72926680]

約数ペア:

[(1, 72926680), (2, 36463340), (4, 18231670), (5, 14585336), (8, 9115835), (10, 7292668), (20, 3646334), (40, 1823167), (439, 166120), (878, 83060), (1756, 41530), (2195, 33224), (3512, 20765), (4153, 17560), (4390, 16612), (8306, 8780)]