40681588

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{997}}^1$

素因数の和:1203

約数の個数: 18

約数和(自身を含む): 71976758

約数和(自身を除く): 31295170

約数列:

[1, 2, 4, 101, 202, 404, 997, 1994, 3988, 10201, 20402, 40804, 100697, 201394, 402788, 10170397, 20340794, 40681588]

約数ペア:

[(1, 40681588), (2, 20340794), (4, 10170397), (101, 402788), (202, 201394), (404, 100697), (997, 40804), (1994, 20402), (3988, 10201)]