80819635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 32721485

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2111, 2945, 7657, 10555, 27443, 38285, 40109, 65441, 137215, 200545, 327205, 521417, 850733, 1243379, 2607085, 4253665, 6216895, 16163927, 80819635]

約数ペア:

[(1, 80819635), (5, 16163927), (13, 6216895), (19, 4253665), (31, 2607085), (65, 1243379), (95, 850733), (155, 521417), (247, 327205), (403, 200545), (589, 137215), (1235, 65441), (2015, 40109), (2111, 38285), (2945, 27443), (7657, 10555)]