40391020

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8819}}^1$

素因数の和:9057

約数の個数: 24

約数和(自身を含む): 85201200

約数和(自身を除く): 44810180

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 8819, 17638, 35276, 44095, 88190, 176380, 2019551, 4039102, 8078204, 10097755, 20195510, 40391020]

約数ペア:

[(1, 40391020), (2, 20195510), (4, 10097755), (5, 8078204), (10, 4039102), (20, 2019551), (229, 176380), (458, 88190), (916, 44095), (1145, 35276), (2290, 17638), (4580, 8819)]