415261520

素因数分解:

$2^4\times 5^1\times {\mathrm{5190769}}^1$

素因数の和:5190782

約数の個数: 20

約数和(自身を含む): 965483220

約数和(自身を除く): 550221700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5190769, 10381538, 20763076, 25953845, 41526152, 51907690, 83052304, 103815380, 207630760, 415261520]

約数ペア:

[(1, 415261520), (2, 207630760), (4, 103815380), (5, 83052304), (8, 51907690), (10, 41526152), (16, 25953845), (20, 20763076), (40, 10381538), (80, 5190769)]