1285326080

素因数分解:

$2^8\times 5^1\times {\mathrm{1004161}}^1$

素因数の和:1004182

約数の個数: 36

約数和(自身を含む): 3078760692

約数和(自身を除く): 1793434612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1004161, 2008322, 4016644, 5020805, 8033288, 10041610, 16066576, 20083220, 32133152, 40166440, 64266304, 80332880, 128532608, 160665760, 257065216, 321331520, 642663040, 1285326080]

約数ペア:

[(1, 1285326080), (2, 642663040), (4, 321331520), (5, 257065216), (8, 160665760), (10, 128532608), (16, 80332880), (20, 64266304), (32, 40166440), (40, 32133152), (64, 20083220), (80, 16066576), (128, 10041610), (160, 8033288), (256, 5020805), (320, 4016644), (640, 2008322), (1280, 1004161)]