40384456

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1091}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 86748480

約数和(自身を除く): 46364024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1091, 1322, 2182, 2644, 4364, 4627, 5288, 7637, 8728, 9254, 15274, 18508, 30548, 37016, 61096, 721151, 1442302, 2884604, 5048057, 5769208, 10096114, 20192228, 40384456]

約数ペア:

[(1, 40384456), (2, 20192228), (4, 10096114), (7, 5769208), (8, 5048057), (14, 2884604), (28, 1442302), (56, 721151), (661, 61096), (1091, 37016), (1322, 30548), (2182, 18508), (2644, 15274), (4364, 9254), (4627, 8728), (5288, 7637)]