80128115

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1723}}^1$

素因数の和:1930

約数の個数: 16

約数和(自身を含む): 98309376

約数和(自身を除く): 18181261

約数列:

[1, 5, 71, 131, 355, 655, 1723, 8615, 9301, 46505, 122333, 225713, 611665, 1128565, 16025623, 80128115]

約数ペア:

[(1, 80128115), (5, 16025623), (71, 1128565), (131, 611665), (355, 225713), (655, 122333), (1723, 46505), (8615, 9301)]