56406280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{201451}}^1$

素因数の和:201469

約数の個数: 32

約数和(自身を含む): 145045440

約数和(自身を除く): 88639160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 201451, 402902, 805804, 1007255, 1410157, 1611608, 2014510, 2820314, 4029020, 5640628, 7050785, 8058040, 11281256, 14101570, 28203140, 56406280]

約数ペア:

[(1, 56406280), (2, 28203140), (4, 14101570), (5, 11281256), (7, 8058040), (8, 7050785), (10, 5640628), (14, 4029020), (20, 2820314), (28, 2014510), (35, 1611608), (40, 1410157), (56, 1007255), (70, 805804), (140, 402902), (280, 201451)]