1263040

素因数分解:

$2^6\times 5^1\times {\mathrm{3947}}^1$

素因数の和:3964

約数の個数: 28

約数和(自身を含む): 3008376

約数和(自身を除く): 1745336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3947, 7894, 15788, 19735, 31576, 39470, 63152, 78940, 126304, 157880, 252608, 315760, 631520, 1263040]

約数ペア:

[(1, 1263040), (2, 631520), (4, 315760), (5, 252608), (8, 157880), (10, 126304), (16, 78940), (20, 63152), (32, 39470), (40, 31576), (64, 19735), (80, 15788), (160, 7894), (320, 3947)]