2161036120

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{192263}}^1$

素因数の和:192555

約数の個数: 32

約数和(自身を含む): 4879660320

約数和(自身を除く): 2718624200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 192263, 384526, 769052, 961315, 1538104, 1922630, 3845260, 7690520, 54025903, 108051806, 216103612, 270129515, 432207224, 540259030, 1080518060, 2161036120]

約数ペア:

[(1, 2161036120), (2, 1080518060), (4, 540259030), (5, 432207224), (8, 270129515), (10, 216103612), (20, 108051806), (40, 54025903), (281, 7690520), (562, 3845260), (1124, 1922630), (1405, 1538104), (2248, 961315), (2810, 769052), (5620, 384526), (11240, 192263)]