4891280

素因数分解:

$2^4\times 5^1\times {\mathrm{61141}}^1$

素因数の和:61154

約数の個数: 20

約数和(自身を含む): 11372412

約数和(自身を除く): 6481132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61141, 122282, 244564, 305705, 489128, 611410, 978256, 1222820, 2445640, 4891280]

約数ペア:

[(1, 4891280), (2, 2445640), (4, 1222820), (5, 978256), (8, 611410), (10, 489128), (16, 305705), (20, 244564), (40, 122282), (80, 61141)]