12221080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2803}}^1$

素因数の和:2923

約数の個数: 32

約数和(自身を含む): 27759600

約数和(自身を除く): 15538520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2803, 4360, 5606, 11212, 14015, 22424, 28030, 56060, 112120, 305527, 611054, 1222108, 1527635, 2444216, 3055270, 6110540, 12221080]

約数ペア:

[(1, 12221080), (2, 6110540), (4, 3055270), (5, 2444216), (8, 1527635), (10, 1222108), (20, 611054), (40, 305527), (109, 112120), (218, 56060), (436, 28030), (545, 22424), (872, 14015), (1090, 11212), (2180, 5606), (2803, 4360)]