54821480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{195791}}^1$

素因数の和:195809

約数の個数: 32

約数和(自身を含む): 140970240

約数和(自身を除く): 86148760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 195791, 391582, 783164, 978955, 1370537, 1566328, 1957910, 2741074, 3915820, 5482148, 6852685, 7831640, 10964296, 13705370, 27410740, 54821480]

約数ペア:

[(1, 54821480), (2, 27410740), (4, 13705370), (5, 10964296), (7, 7831640), (8, 6852685), (10, 5482148), (14, 3915820), (20, 2741074), (28, 1957910), (35, 1566328), (40, 1370537), (56, 978955), (70, 783164), (140, 391582), (280, 195791)]