80940145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6659}}^1$

素因数の和:6705

約数の個数: 32

約数和(自身を含む): 120839040

約数和(自身を除く): 39898895

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 6659, 12155, 33295, 73249, 86567, 113203, 366245, 432835, 566015, 952237, 1245233, 1471639, 4761185, 6226165, 7358195, 16188029, 80940145]

約数ペア:

[(1, 80940145), (5, 16188029), (11, 7358195), (13, 6226165), (17, 4761185), (55, 1471639), (65, 1245233), (85, 952237), (143, 566015), (187, 432835), (221, 366245), (715, 113203), (935, 86567), (1105, 73249), (2431, 33295), (6659, 12155)]