21952400

素因数分解:

$2^4\times 5^2\times {\mathrm{54881}}^1$

素因数の和:54899

約数の個数: 30

約数和(自身を含む): 52741602

約数和(自身を除く): 30789202

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54881, 109762, 219524, 274405, 439048, 548810, 878096, 1097620, 1372025, 2195240, 2744050, 4390480, 5488100, 10976200, 21952400]

約数ペア:

[(1, 21952400), (2, 10976200), (4, 5488100), (5, 4390480), (8, 2744050), (10, 2195240), (16, 1372025), (20, 1097620), (25, 878096), (40, 548810), (50, 439048), (80, 274405), (100, 219524), (200, 109762), (400, 54881)]