7255640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25913}}^1$

素因数の和:25931

約数の個数: 32

約数和(自身を含む): 18658080

約数和(自身を除く): 11402440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25913, 51826, 103652, 129565, 181391, 207304, 259130, 362782, 518260, 725564, 906955, 1036520, 1451128, 1813910, 3627820, 7255640]

約数ペア:

[(1, 7255640), (2, 3627820), (4, 1813910), (5, 1451128), (7, 1036520), (8, 906955), (10, 725564), (14, 518260), (20, 362782), (28, 259130), (35, 207304), (40, 181391), (56, 129565), (70, 103652), (140, 51826), (280, 25913)]