168391040

素因数分解:

$2^7\times 5^1\times {\mathrm{263111}}^1$

素因数の和:263130

約数の個数: 32

約数和(自身を含む): 402561360

約数和(自身を除く): 234170320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 263111, 526222, 1052444, 1315555, 2104888, 2631110, 4209776, 5262220, 8419552, 10524440, 16839104, 21048880, 33678208, 42097760, 84195520, 168391040]

約数ペア:

[(1, 168391040), (2, 84195520), (4, 42097760), (5, 33678208), (8, 21048880), (10, 16839104), (16, 10524440), (20, 8419552), (32, 5262220), (40, 4209776), (64, 2631110), (80, 2104888), (128, 1315555), (160, 1052444), (320, 526222), (640, 263111)]