2179280

素因数分解:

$2^4\times 5^1\times {\mathrm{27241}}^1$

素因数の和:27254

約数の個数: 20

約数和(自身を含む): 5067012

約数和(自身を除く): 2887732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27241, 54482, 108964, 136205, 217928, 272410, 435856, 544820, 1089640, 2179280]

約数ペア:

[(1, 2179280), (2, 1089640), (4, 544820), (5, 435856), (8, 272410), (10, 217928), (16, 136205), (20, 108964), (40, 54482), (80, 27241)]