16705880

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2803}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 37854000

約数和(自身を除く): 21148120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2803, 2980, 5606, 5960, 11212, 14015, 22424, 28030, 56060, 112120, 417647, 835294, 1670588, 2088235, 3341176, 4176470, 8352940, 16705880]

約数ペア:

[(1, 16705880), (2, 8352940), (4, 4176470), (5, 3341176), (8, 2088235), (10, 1670588), (20, 835294), (40, 417647), (149, 112120), (298, 56060), (596, 28030), (745, 22424), (1192, 14015), (1490, 11212), (2803, 5960), (2980, 5606)]