2131280

素因数分解:

$2^4\times 5^1\times {\mathrm{26641}}^1$

素因数の和:26654

約数の個数: 20

約数和(自身を含む): 4955412

約数和(自身を除く): 2824132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26641, 53282, 106564, 133205, 213128, 266410, 426256, 532820, 1065640, 2131280]

約数ペア:

[(1, 2131280), (2, 1065640), (4, 532820), (5, 426256), (8, 266410), (10, 213128), (16, 133205), (20, 106564), (40, 53282), (80, 26641)]