129142120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23227}}^1$

素因数の和:23377

約数の個数: 32

約数和(自身を含む): 292672800

約数和(自身を除く): 163530680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 23227, 46454, 92908, 116135, 185816, 232270, 464540, 929080, 3228553, 6457106, 12914212, 16142765, 25828424, 32285530, 64571060, 129142120]

約数ペア:

[(1, 129142120), (2, 64571060), (4, 32285530), (5, 25828424), (8, 16142765), (10, 12914212), (20, 6457106), (40, 3228553), (139, 929080), (278, 464540), (556, 232270), (695, 185816), (1112, 116135), (1390, 92908), (2780, 46454), (5560, 23227)]