22031120

素因数分解:

$2^4\times 5^1\times {\mathrm{275389}}^1$

素因数の和:275402

約数の個数: 20

約数和(自身を含む): 51222540

約数和(自身を除く): 29191420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 275389, 550778, 1101556, 1376945, 2203112, 2753890, 4406224, 5507780, 11015560, 22031120]

約数ペア:

[(1, 22031120), (2, 11015560), (4, 5507780), (5, 4406224), (8, 2753890), (10, 2203112), (16, 1376945), (20, 1101556), (40, 550778), (80, 275389)]