8551280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:921

約数の個数: 40

約数和(自身を含む): 20050800

約数和(自身を除く): 11499520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 769, 1112, 1390, 1538, 2224, 2780, 3076, 3845, 5560, 6152, 7690, 11120, 12304, 15380, 30760, 61520, 106891, 213782, 427564, 534455, 855128, 1068910, 1710256, 2137820, 4275640, 8551280]

約数ペア:

[(1, 8551280), (2, 4275640), (4, 2137820), (5, 1710256), (8, 1068910), (10, 855128), (16, 534455), (20, 427564), (40, 213782), (80, 106891), (139, 61520), (278, 30760), (556, 15380), (695, 12304), (769, 11120), (1112, 7690), (1390, 6152), (1538, 5560), (2224, 3845), (2780, 3076)]