168773480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{13567}}^1$

素因数の和:13889

約数の個数: 32

約数和(自身を含む): 380989440

約数和(自身を除く): 212215960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 13567, 27134, 54268, 67835, 108536, 135670, 271340, 542680, 4219337, 8438674, 16877348, 21096685, 33754696, 42193370, 84386740, 168773480]

約数ペア:

[(1, 168773480), (2, 84386740), (4, 42193370), (5, 33754696), (8, 21096685), (10, 16877348), (20, 8438674), (40, 4219337), (311, 542680), (622, 271340), (1244, 135670), (1555, 108536), (2488, 67835), (3110, 54268), (6220, 27134), (12440, 13567)]