80426820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1340447}}^1$

素因数の和:1340459

約数の個数: 24

約数和(自身を含む): 225195264

約数和(自身を除く): 144768444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1340447, 2680894, 4021341, 5361788, 6702235, 8042682, 13404470, 16085364, 20106705, 26808940, 40213410, 80426820]

約数ペア:

[(1, 80426820), (2, 40213410), (3, 26808940), (4, 20106705), (5, 16085364), (6, 13404470), (10, 8042682), (12, 6702235), (15, 5361788), (20, 4021341), (30, 2680894), (60, 1340447)]