4448804560

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{111443}}^1$

素因数の和:111955

約数の個数: 40

約数和(自身を含む): 10364292000

約数和(自身を除く): 5915487440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 19960, 39920, 111443, 222886, 445772, 557215, 891544, 1114430, 1783088, 2228860, 4457720, 8915440, 55610057, 111220114, 222440228, 278050285, 444880456, 556100570, 889760912, 1112201140, 2224402280, 4448804560]

約数ペア:

[(1, 4448804560), (2, 2224402280), (4, 1112201140), (5, 889760912), (8, 556100570), (10, 444880456), (16, 278050285), (20, 222440228), (40, 111220114), (80, 55610057), (499, 8915440), (998, 4457720), (1996, 2228860), (2495, 1783088), (3992, 1114430), (4990, 891544), (7984, 557215), (9980, 445772), (19960, 222886), (39920, 111443)]