2016456880

素因数分解:

$2^4\times 5^1\times {\mathrm{25205711}}^1$

素因数の和:25205724

約数の個数: 20

約数和(自身を含む): 4688262432

約数和(自身を除く): 2671805552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25205711, 50411422, 100822844, 126028555, 201645688, 252057110, 403291376, 504114220, 1008228440, 2016456880]

約数ペア:

[(1, 2016456880), (2, 1008228440), (4, 504114220), (5, 403291376), (8, 252057110), (10, 201645688), (16, 126028555), (20, 100822844), (40, 50411422), (80, 25205711)]