9968459120

素因数分解:

$2^4\times 5^1\times {\mathrm{124605739}}^1$

素因数の和:124605752

約数の個数: 20

約数和(自身を含む): 23176667640

約数和(自身を除く): 13208208520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124605739, 249211478, 498422956, 623028695, 996845912, 1246057390, 1993691824, 2492114780, 4984229560, 9968459120]

約数ペア:

[(1, 9968459120), (2, 4984229560), (4, 2492114780), (5, 1993691824), (8, 1246057390), (10, 996845912), (16, 623028695), (20, 498422956), (40, 249211478), (80, 124605739)]