80673080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18503}}^1$

素因数の和:18623

約数の個数: 32

約数和(自身を含む): 183189600

約数和(自身を除く): 102516520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 18503, 37006, 74012, 92515, 148024, 185030, 370060, 740120, 2016827, 4033654, 8067308, 10084135, 16134616, 20168270, 40336540, 80673080]

約数ペア:

[(1, 80673080), (2, 40336540), (4, 20168270), (5, 16134616), (8, 10084135), (10, 8067308), (20, 4033654), (40, 2016827), (109, 740120), (218, 370060), (436, 185030), (545, 148024), (872, 92515), (1090, 74012), (2180, 37006), (4360, 18503)]