2780432012

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{5000777}}^1$

素因数の和:5000920

約数の個数: 12

約数和(自身を含む): 4900762440

約数和(自身を除く): 2120330428

約数列:

[1, 2, 4, 139, 278, 556, 5000777, 10001554, 20003108, 695108003, 1390216006, 2780432012]

約数ペア:

[(1, 2780432012), (2, 1390216006), (4, 695108003), (139, 20003108), (278, 10001554), (556, 5000777)]