1519531280

素因数分解:

$2^4\times 5^1\times {\mathrm{18994141}}^1$

素因数の和:18994154

約数の個数: 20

約数和(自身を含む): 3532910412

約数和(自身を除く): 2013379132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18994141, 37988282, 75976564, 94970705, 151953128, 189941410, 303906256, 379882820, 759765640, 1519531280]

約数ペア:

[(1, 1519531280), (2, 759765640), (4, 379882820), (5, 303906256), (8, 189941410), (10, 151953128), (16, 94970705), (20, 75976564), (40, 37988282), (80, 18994141)]