55235920

素因数分解:

$2^4\times 5^1\times {\mathrm{690449}}^1$

素因数の和:690462

約数の個数: 20

約数和(自身を含む): 128423700

約数和(自身を除く): 73187780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 690449, 1380898, 2761796, 3452245, 5523592, 6904490, 11047184, 13808980, 27617960, 55235920]

約数ペア:

[(1, 55235920), (2, 27617960), (4, 13808980), (5, 11047184), (8, 6904490), (10, 5523592), (16, 3452245), (20, 2761796), (40, 1380898), (80, 690449)]