18110080

素因数分解:

$2^7\times 5^1\times {\mathrm{28297}}^1$

素因数の和:28316

約数の個数: 32

約数和(自身を含む): 43295940

約数和(自身を除く): 25185860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28297, 56594, 113188, 141485, 226376, 282970, 452752, 565940, 905504, 1131880, 1811008, 2263760, 3622016, 4527520, 9055040, 18110080]

約数ペア:

[(1, 18110080), (2, 9055040), (4, 4527520), (5, 3622016), (8, 2263760), (10, 1811008), (16, 1131880), (20, 905504), (32, 565940), (40, 452752), (64, 282970), (80, 226376), (128, 141485), (160, 113188), (320, 56594), (640, 28297)]