22204120

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1427}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 50122800

約数和(自身を除く): 27918680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1427, 1556, 1945, 2854, 3112, 3890, 5708, 7135, 7780, 11416, 14270, 15560, 28540, 57080, 555103, 1110206, 2220412, 2775515, 4440824, 5551030, 11102060, 22204120]

約数ペア:

[(1, 22204120), (2, 11102060), (4, 5551030), (5, 4440824), (8, 2775515), (10, 2220412), (20, 1110206), (40, 555103), (389, 57080), (778, 28540), (1427, 15560), (1556, 14270), (1945, 11416), (2854, 7780), (3112, 7135), (3890, 5708)]