25200440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11887}}^1$

素因数の和:11951

約数の個数: 32

約数和(自身を含む): 57775680

約数和(自身を除く): 32575240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 11887, 23774, 47548, 59435, 95096, 118870, 237740, 475480, 630011, 1260022, 2520044, 3150055, 5040088, 6300110, 12600220, 25200440]

約数ペア:

[(1, 25200440), (2, 12600220), (4, 6300110), (5, 5040088), (8, 3150055), (10, 2520044), (20, 1260022), (40, 630011), (53, 475480), (106, 237740), (212, 118870), (265, 95096), (424, 59435), (530, 47548), (1060, 23774), (2120, 11887)]