55801040

素因数分解:

$2^4\times 5^1\times {\mathrm{697513}}^1$

素因数の和:697526

約数の個数: 20

約数和(自身を含む): 129737604

約数和(自身を除く): 73936564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697513, 1395026, 2790052, 3487565, 5580104, 6975130, 11160208, 13950260, 27900520, 55801040]

約数ペア:

[(1, 55801040), (2, 27900520), (4, 13950260), (5, 11160208), (8, 6975130), (10, 5580104), (16, 3487565), (20, 2790052), (40, 1395026), (80, 697513)]