2090800

素因数分解:

$2^4\times 5^2\times {\mathrm{5227}}^1$

素因数の和:5245

約数の個数: 30

約数和(自身を含む): 5024108

約数和(自身を除く): 2933308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5227, 10454, 20908, 26135, 41816, 52270, 83632, 104540, 130675, 209080, 261350, 418160, 522700, 1045400, 2090800]

約数ペア:

[(1, 2090800), (2, 1045400), (4, 522700), (5, 418160), (8, 261350), (10, 209080), (16, 130675), (20, 104540), (25, 83632), (40, 52270), (50, 41816), (80, 26135), (100, 20908), (200, 10454), (400, 5227)]