40520272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{194809}}^1$

素因数の和:194830

約数の個数: 20

約数和(自身を含む): 84547540

約数和(自身を除く): 44027268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 194809, 389618, 779236, 1558472, 2532517, 3116944, 5065034, 10130068, 20260136, 40520272]

約数ペア:

[(1, 40520272), (2, 20260136), (4, 10130068), (8, 5065034), (13, 3116944), (16, 2532517), (26, 1558472), (52, 779236), (104, 389618), (208, 194809)]