2188940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8419}}^1$

素因数の和:8441

約数の個数: 24

約数和(自身を含む): 4950960

約数和(自身を除く): 2762020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8419, 16838, 33676, 42095, 84190, 109447, 168380, 218894, 437788, 547235, 1094470, 2188940]

約数ペア:

[(1, 2188940), (2, 1094470), (4, 547235), (5, 437788), (10, 218894), (13, 168380), (20, 109447), (26, 84190), (52, 42095), (65, 33676), (130, 16838), (260, 8419)]