42639890

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{72271}}^1$

素因数の和:72337

約数の個数: 16

約数和(自身を含む): 78053760

約数和(自身を除く): 35413870

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 72271, 144542, 361355, 722710, 4263989, 8527978, 21319945, 42639890]

約数ペア:

[(1, 42639890), (2, 21319945), (5, 8527978), (10, 4263989), (59, 722710), (118, 361355), (295, 144542), (590, 72271)]