280056520

素因数分解:

$2^3\times 5^1\times {\mathrm{7001413}}^1$

素因数の和:7001424

約数の個数: 16

約数和(自身を含む): 630127260

約数和(自身を除く): 350070740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7001413, 14002826, 28005652, 35007065, 56011304, 70014130, 140028260, 280056520]

約数ペア:

[(1, 280056520), (2, 140028260), (4, 70014130), (5, 56011304), (8, 35007065), (10, 28005652), (20, 14002826), (40, 7001413)]