51026820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65419}}^1$

素因数の和:65444

約数の個数: 48

約数和(自身を含む): 153867840

約数和(自身を除く): 102841020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65419, 130838, 196257, 261676, 327095, 392514, 654190, 785028, 850447, 981285, 1308380, 1700894, 1962570, 2551341, 3401788, 3925140, 4252235, 5102682, 8504470, 10205364, 12756705, 17008940, 25513410, 51026820]

約数ペア:

[(1, 51026820), (2, 25513410), (3, 17008940), (4, 12756705), (5, 10205364), (6, 8504470), (10, 5102682), (12, 4252235), (13, 3925140), (15, 3401788), (20, 2551341), (26, 1962570), (30, 1700894), (39, 1308380), (52, 981285), (60, 850447), (65, 785028), (78, 654190), (130, 392514), (156, 327095), (195, 261676), (260, 196257), (390, 130838), (780, 65419)]