2080752955

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 2575872000

約数和(自身を除く): 495119045

約数列:

[1, 5, 79, 103, 199, 257, 395, 515, 995, 1285, 8137, 15721, 20303, 20497, 26471, 40685, 51143, 78605, 101515, 102485, 132355, 255715, 1619263, 2091209, 4040297, 5267729, 8096315, 10456045, 20201485, 26338645, 416150591, 2080752955]

約数ペア:

[(1, 2080752955), (5, 416150591), (79, 26338645), (103, 20201485), (199, 10456045), (257, 8096315), (395, 5267729), (515, 4040297), (995, 2091209), (1285, 1619263), (8137, 255715), (15721, 132355), (20303, 102485), (20497, 101515), (26471, 78605), (40685, 51143)]