2154800

素因数分解:

$2^4\times 5^2\times {\mathrm{5387}}^1$

素因数の和:5405

約数の個数: 30

約数和(自身を含む): 5177868

約数和(自身を除く): 3023068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5387, 10774, 21548, 26935, 43096, 53870, 86192, 107740, 134675, 215480, 269350, 430960, 538700, 1077400, 2154800]

約数ペア:

[(1, 2154800), (2, 1077400), (4, 538700), (5, 430960), (8, 269350), (10, 215480), (16, 134675), (20, 107740), (25, 86192), (40, 53870), (50, 43096), (80, 26935), (100, 21548), (200, 10774), (400, 5387)]