40820408

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{36709}}^1$

素因数の和:36854

約数の個数: 16

約数和(自身を含む): 77091000

約数和(自身を除く): 36270592

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 36709, 73418, 146836, 293672, 5102551, 10205102, 20410204, 40820408]

約数ペア:

[(1, 40820408), (2, 20410204), (4, 10205102), (8, 5102551), (139, 293672), (278, 146836), (556, 73418), (1112, 36709)]