40400860

素因数分解:

$2^2\times 5^1\times {\mathrm{2020043}}^1$

素因数の和:2020052

約数の個数: 12

約数和(自身を含む): 84841848

約数和(自身を除く): 44440988

約数列:

[1, 2, 4, 5, 10, 20, 2020043, 4040086, 8080172, 10100215, 20200430, 40400860]

約数ペア:

[(1, 40400860), (2, 20200430), (4, 10100215), (5, 8080172), (10, 4040086), (20, 2020043)]