40272460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20759}}^1$

素因数の和:20865

約数の個数: 24

約数和(自身を含む): 85448160

約数和(自身を除く): 45175700

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20759, 41518, 83036, 103795, 207590, 415180, 2013623, 4027246, 8054492, 10068115, 20136230, 40272460]

約数ペア:

[(1, 40272460), (2, 20136230), (4, 10068115), (5, 8054492), (10, 4027246), (20, 2013623), (97, 415180), (194, 207590), (388, 103795), (485, 83036), (970, 41518), (1940, 20759)]