166202380

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{19739}}^1$

素因数の和:20169

約数の個数: 24

約数和(自身を含む): 349871760

約数和(自身を除く): 183669380

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 19739, 39478, 78956, 98695, 197390, 394780, 8310119, 16620238, 33240476, 41550595, 83101190, 166202380]

約数ペア:

[(1, 166202380), (2, 83101190), (4, 41550595), (5, 33240476), (10, 16620238), (20, 8310119), (421, 394780), (842, 197390), (1684, 98695), (2105, 78956), (4210, 39478), (8420, 19739)]