40272710

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20443}}^1$

素因数の和:20647

約数の個数: 16

約数和(自身を含む): 72862416

約数和(自身を除く): 32589706

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 20443, 40886, 102215, 204430, 4027271, 8054542, 20136355, 40272710]

約数ペア:

[(1, 40272710), (2, 20136355), (5, 8054542), (10, 4027271), (197, 204430), (394, 102215), (985, 40886), (1970, 20443)]