56017220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{400123}}^1$

素因数の和:400139

約数の個数: 24

約数和(自身を含む): 134441664

約数和(自身を除く): 78424444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 400123, 800246, 1600492, 2000615, 2800861, 4001230, 5601722, 8002460, 11203444, 14004305, 28008610, 56017220]

約数ペア:

[(1, 56017220), (2, 28008610), (4, 14004305), (5, 11203444), (7, 8002460), (10, 5601722), (14, 4001230), (20, 2800861), (28, 2000615), (35, 1600492), (70, 800246), (140, 400123)]