54704020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390743}}^1$

素因数の和:390759

約数の個数: 24

約数和(自身を含む): 131289984

約数和(自身を除く): 76585964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390743, 781486, 1562972, 1953715, 2735201, 3907430, 5470402, 7814860, 10940804, 13676005, 27352010, 54704020]

約数ペア:

[(1, 54704020), (2, 27352010), (4, 13676005), (5, 10940804), (7, 7814860), (10, 5470402), (14, 3907430), (20, 2735201), (28, 1953715), (35, 1562972), (70, 781486), (140, 390743)]