127948760

素因数分解:

$2^3\times 5^1\times {\mathrm{3198719}}^1$

素因数の和:3198730

約数の個数: 16

約数和(自身を含む): 287884800

約数和(自身を除く): 159936040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3198719, 6397438, 12794876, 15993595, 25589752, 31987190, 63974380, 127948760]

約数ペア:

[(1, 127948760), (2, 63974380), (4, 31987190), (5, 25589752), (8, 15993595), (10, 12794876), (20, 6397438), (40, 3198719)]