55260520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197359}}^1$

素因数の和:197377

約数の個数: 32

約数和(自身を含む): 142099200

約数和(自身を除く): 86838680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197359, 394718, 789436, 986795, 1381513, 1578872, 1973590, 2763026, 3947180, 5526052, 6907565, 7894360, 11052104, 13815130, 27630260, 55260520]

約数ペア:

[(1, 55260520), (2, 27630260), (4, 13815130), (5, 11052104), (7, 7894360), (8, 6907565), (10, 5526052), (14, 3947180), (20, 2763026), (28, 1973590), (35, 1578872), (40, 1381513), (56, 986795), (70, 789436), (140, 394718), (280, 197359)]