55584440

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2657}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 125351280

約数和(自身を除く): 69766840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 2657, 4184, 5230, 5314, 10460, 10628, 13285, 20920, 21256, 26570, 53140, 106280, 1389611, 2779222, 5558444, 6948055, 11116888, 13896110, 27792220, 55584440]

約数ペア:

[(1, 55584440), (2, 27792220), (4, 13896110), (5, 11116888), (8, 6948055), (10, 5558444), (20, 2779222), (40, 1389611), (523, 106280), (1046, 53140), (2092, 26570), (2615, 21256), (2657, 20920), (4184, 13285), (5230, 10628), (5314, 10460)]