2220160

素因数分解:

$2^7\times 5^1\times {\mathrm{3469}}^1$

素因数の和:3488

約数の個数: 32

約数和(自身を含む): 5309100

約数和(自身を除く): 3088940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3469, 6938, 13876, 17345, 27752, 34690, 55504, 69380, 111008, 138760, 222016, 277520, 444032, 555040, 1110080, 2220160]

約数ペア:

[(1, 2220160), (2, 1110080), (4, 555040), (5, 444032), (8, 277520), (10, 222016), (16, 138760), (20, 111008), (32, 69380), (40, 55504), (64, 34690), (80, 27752), (128, 17345), (160, 13876), (320, 6938), (640, 3469)]