79998740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{210523}}^1$

素因数の和:210551

約数の個数: 24

約数和(自身を含む): 176840160

約数和(自身を除く): 96841420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 210523, 421046, 842092, 1052615, 2105230, 3999937, 4210460, 7999874, 15999748, 19999685, 39999370, 79998740]

約数ペア:

[(1, 79998740), (2, 39999370), (4, 19999685), (5, 15999748), (10, 7999874), (19, 4210460), (20, 3999937), (38, 2105230), (76, 1052615), (95, 842092), (190, 421046), (380, 210523)]