54284020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{387743}}^1$

素因数の和:387759

約数の個数: 24

約数和(自身を含む): 130281984

約数和(自身を除く): 75997964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 387743, 775486, 1550972, 1938715, 2714201, 3877430, 5428402, 7754860, 10856804, 13571005, 27142010, 54284020]

約数ペア:

[(1, 54284020), (2, 27142010), (4, 13571005), (5, 10856804), (7, 7754860), (10, 5428402), (14, 3877430), (20, 2714201), (28, 1938715), (35, 1550972), (70, 775486), (140, 387743)]