55485520

素因数分解:

$2^4\times 5^1\times {\mathrm{693569}}^1$

素因数の和:693582

約数の個数: 20

約数和(自身を含む): 129004020

約数和(自身を除く): 73518500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 693569, 1387138, 2774276, 3467845, 5548552, 6935690, 11097104, 13871380, 27742760, 55485520]

約数ペア:

[(1, 55485520), (2, 27742760), (4, 13871380), (5, 11097104), (8, 6935690), (10, 5548552), (16, 3467845), (20, 2774276), (40, 1387138), (80, 693569)]