68665480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132049}}^1$

素因数の和:132073

約数の個数: 32

約数和(自身を含む): 166383000

約数和(自身を除く): 97717520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 132049, 264098, 528196, 660245, 1056392, 1320490, 1716637, 2640980, 3433274, 5281960, 6866548, 8583185, 13733096, 17166370, 34332740, 68665480]

約数ペア:

[(1, 68665480), (2, 34332740), (4, 17166370), (5, 13733096), (8, 8583185), (10, 6866548), (13, 5281960), (20, 3433274), (26, 2640980), (40, 1716637), (52, 1320490), (65, 1056392), (104, 660245), (130, 528196), (260, 264098), (520, 132049)]