1805980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8209}}^1$

素因数の和:8229

約数の個数: 24

約数和(自身を含む): 4137840

約数和(自身を除く): 2331860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8209, 16418, 32836, 41045, 82090, 90299, 164180, 180598, 361196, 451495, 902990, 1805980]

約数ペア:

[(1, 1805980), (2, 902990), (4, 451495), (5, 361196), (10, 180598), (11, 164180), (20, 90299), (22, 82090), (44, 41045), (55, 32836), (110, 16418), (220, 8209)]