22228000

素因数分解:

$2^5\times 5^3\times {\mathrm{5557}}^1$

素因数の和:5582

約数の個数: 48

約数和(自身を含む): 54624024

約数和(自身を除く): 32396024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 5557, 11114, 22228, 27785, 44456, 55570, 88912, 111140, 138925, 177824, 222280, 277850, 444560, 555700, 694625, 889120, 1111400, 1389250, 2222800, 2778500, 4445600, 5557000, 11114000, 22228000]

約数ペア:

[(1, 22228000), (2, 11114000), (4, 5557000), (5, 4445600), (8, 2778500), (10, 2222800), (16, 1389250), (20, 1111400), (25, 889120), (32, 694625), (40, 555700), (50, 444560), (80, 277850), (100, 222280), (125, 177824), (160, 138925), (200, 111140), (250, 88912), (400, 55570), (500, 44456), (800, 27785), (1000, 22228), (2000, 11114), (4000, 5557)]