22137880

素因数分解:

$2^3\times 5^1\times {\mathrm{553447}}^1$

素因数の和:553458

約数の個数: 16

約数和(自身を含む): 49810320

約数和(自身を除く): 27672440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 553447, 1106894, 2213788, 2767235, 4427576, 5534470, 11068940, 22137880]

約数ペア:

[(1, 22137880), (2, 11068940), (4, 5534470), (5, 4427576), (8, 2767235), (10, 2213788), (20, 1106894), (40, 553447)]