220899040

素因数分解:

$2^5\times 5^1\times {\mathrm{1380619}}^1$

素因数の和:1380634

約数の個数: 24

約数和(自身を含む): 521874360

約数和(自身を除く): 300975320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1380619, 2761238, 5522476, 6903095, 11044952, 13806190, 22089904, 27612380, 44179808, 55224760, 110449520, 220899040]

約数ペア:

[(1, 220899040), (2, 110449520), (4, 55224760), (5, 44179808), (8, 27612380), (10, 22089904), (16, 13806190), (20, 11044952), (32, 6903095), (40, 5522476), (80, 2761238), (160, 1380619)]