56140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 135072

約数和(自身を除く): 78932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 4010, 5614, 8020, 11228, 14035, 28070, 56140]

約数ペア:

[(1, 56140), (2, 28070), (4, 14035), (5, 11228), (7, 8020), (10, 5614), (14, 4010), (20, 2807), (28, 2005), (35, 1604), (70, 802), (140, 401)]