22400440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5437}}^1$

素因数の和:5551

約数の個数: 32

約数和(自身を含む): 50899680

約数和(自身を除く): 28499240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 5437, 10874, 21748, 27185, 43496, 54370, 108740, 217480, 560011, 1120022, 2240044, 2800055, 4480088, 5600110, 11200220, 22400440]

約数ペア:

[(1, 22400440), (2, 11200220), (4, 5600110), (5, 4480088), (8, 2800055), (10, 2240044), (20, 1120022), (40, 560011), (103, 217480), (206, 108740), (412, 54370), (515, 43496), (824, 27185), (1030, 21748), (2060, 10874), (4120, 5437)]